Home / 22,724.79-31,363.97-13,291.53

Finding the Fourth Proportional to 22,724.79, 31,363.97 and 13,291.53

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Solution

The fourth proportional to 22,724.79, 31,363.97 and 13,291.53 is: 18,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.79 : 31,363.97 = 13,291.53 : x
  2. Step 2: Convert to fraction form
    22,724.79/31,363.97 = 13,291.53/x
  3. Step 3: Cross multiply
    22,724.79x = 31,363.97 × 13,291.53
  4. Step 4: Simplify right side
    22,724.79x = 416,875,081.72
  5. Step 5: Solve for x
    x = 416,875,081.72/22,724.79
  6. Step 6: Final answer
    x = 18,344.51

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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.