Home / 13,043.94-18,000.68-7,075.62

Finding the Fourth Proportional to 13,043.94, 18,000.68 and 7,075.62

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Solution

The fourth proportional to 13,043.94, 18,000.68 and 7,075.62 is: 9,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.94 : 18,000.68 = 7,075.62 : x
  2. Step 2: Convert to fraction form
    13,043.94/18,000.68 = 7,075.62/x
  3. Step 3: Cross multiply
    13,043.94x = 18,000.68 × 7,075.62
  4. Step 4: Simplify right side
    13,043.94x = 127,365,971.42
  5. Step 5: Solve for x
    x = 127,365,971.42/13,043.94
  6. Step 6: Final answer
    x = 9,764.38

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Half scale
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Double scale
Find fourth proportional to 13,044.94, 18,002.06 and 7,076.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.