Home / 9,781.07-13,496.58-5,532.71

Finding the Fourth Proportional to 9,781.07, 13,496.58 and 5,532.71

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Solution

The fourth proportional to 9,781.07, 13,496.58 and 5,532.71 is: 7,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.07 : 13,496.58 = 5,532.71 : x
  2. Step 2: Convert to fraction form
    9,781.07/13,496.58 = 5,532.71/x
  3. Step 3: Cross multiply
    9,781.07x = 13,496.58 × 5,532.71
  4. Step 4: Simplify right side
    9,781.07x = 74,672,663.13
  5. Step 5: Solve for x
    x = 74,672,663.13/9,781.07
  6. Step 6: Final answer
    x = 7,634.41

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Double 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.