Home / 9,572.36-13,209.18-5,381.24

Finding the Fourth Proportional to 9,572.36, 13,209.18 and 5,381.24

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Solution

The fourth proportional to 9,572.36, 13,209.18 and 5,381.24 is: 7,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,572.36 : 13,209.18 = 5,381.24 : x
  2. Step 2: Convert to fraction form
    9,572.36/13,209.18 = 5,381.24/x
  3. Step 3: Cross multiply
    9,572.36x = 13,209.18 × 5,381.24
  4. Step 4: Simplify right side
    9,572.36x = 71,081,767.78
  5. Step 5: Solve for x
    x = 71,081,767.78/9,572.36
  6. Step 6: Final answer
    x = 7,425.73

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Half scale
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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.