Home / 9,646.43-13,310.91-5,397.71

Finding the Fourth Proportional to 9,646.43, 13,310.91 and 5,397.71

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Solution

The fourth proportional to 9,646.43, 13,310.91 and 5,397.71 is: 7,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.43 : 13,310.91 = 5,397.71 : x
  2. Step 2: Convert to fraction form
    9,646.43/13,310.91 = 5,397.71/x
  3. Step 3: Cross multiply
    9,646.43x = 13,310.91 × 5,397.71
  4. Step 4: Simplify right side
    9,646.43x = 71,848,365.46
  5. Step 5: Solve for x
    x = 71,848,365.46/9,646.43
  6. Step 6: Final answer
    x = 7,448.19

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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.