Home / 22,721.94-31,349.97-14,652.18

Finding the Fourth Proportional to 22,721.94, 31,349.97 and 14,652.18

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Solution

The fourth proportional to 22,721.94, 31,349.97 and 14,652.18 is: 20,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.94 : 31,349.97 = 14,652.18 : x
  2. Step 2: Convert to fraction form
    22,721.94/31,349.97 = 14,652.18/x
  3. Step 3: Cross multiply
    22,721.94x = 31,349.97 × 14,652.18
  4. Step 4: Simplify right side
    22,721.94x = 459,345,403.43
  5. Step 5: Solve for x
    x = 459,345,403.43/22,721.94
  6. Step 6: Final answer
    x = 20,215.94

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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.