Home / 22,789.69-31,445.07-13,097.28

Finding the Fourth Proportional to 22,789.69, 31,445.07 and 13,097.28

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Solution

The fourth proportional to 22,789.69, 31,445.07 and 13,097.28 is: 18,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.69 : 31,445.07 = 13,097.28 : x
  2. Step 2: Convert to fraction form
    22,789.69/31,445.07 = 13,097.28/x
  3. Step 3: Cross multiply
    22,789.69x = 31,445.07 × 13,097.28
  4. Step 4: Simplify right side
    22,789.69x = 411,844,886.41
  5. Step 5: Solve for x
    x = 411,844,886.41/22,789.69
  6. Step 6: Final answer
    x = 18,071.54

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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.