Home / 13,043.52-18,000.01-7,075.19

Finding the Fourth Proportional to 13,043.52, 18,000.01 and 7,075.19

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Solution

The fourth proportional to 13,043.52, 18,000.01 and 7,075.19 is: 9,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.52 : 18,000.01 = 7,075.19 : x
  2. Step 2: Convert to fraction form
    13,043.52/18,000.01 = 7,075.19/x
  3. Step 3: Cross multiply
    13,043.52x = 18,000.01 × 7,075.19
  4. Step 4: Simplify right side
    13,043.52x = 127,353,400.75
  5. Step 5: Solve for x
    x = 127,353,400.75/13,043.52
  6. Step 6: Final answer
    x = 9,763.73

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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.