Home / 13,044.28-18,000.98-7,075.92

Finding the Fourth Proportional to 13,044.28, 18,000.98 and 7,075.92

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Solution

The fourth proportional to 13,044.28, 18,000.98 and 7,075.92 is: 9,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.28 : 18,000.98 = 7,075.92 : x
  2. Step 2: Convert to fraction form
    13,044.28/18,000.98 = 7,075.92/x
  3. Step 3: Cross multiply
    13,044.28x = 18,000.98 × 7,075.92
  4. Step 4: Simplify right side
    13,044.28x = 127,373,494.40
  5. Step 5: Solve for x
    x = 127,373,494.40/13,044.28
  6. Step 6: Final answer
    x = 9,764.70

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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.