Home / 22,594.62-31,179.75-13,641.28

Finding the Fourth Proportional to 22,594.62, 31,179.75 and 13,641.28

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Solution

The fourth proportional to 22,594.62, 31,179.75 and 13,641.28 is: 18,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,594.62 : 31,179.75 = 13,641.28 : x
  2. Step 2: Convert to fraction form
    22,594.62/31,179.75 = 13,641.28/x
  3. Step 3: Cross multiply
    22,594.62x = 31,179.75 × 13,641.28
  4. Step 4: Simplify right side
    22,594.62x = 425,331,700.08
  5. Step 5: Solve for x
    x = 425,331,700.08/22,594.62
  6. Step 6: Final answer
    x = 18,824.47

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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.