Home / 22,787.47-31,462.19-14,293.09

Finding the Fourth Proportional to 22,787.47, 31,462.19 and 14,293.09

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Solution

The fourth proportional to 22,787.47, 31,462.19 and 14,293.09 is: 19,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.47 : 31,462.19 = 14,293.09 : x
  2. Step 2: Convert to fraction form
    22,787.47/31,462.19 = 14,293.09/x
  3. Step 3: Cross multiply
    22,787.47x = 31,462.19 × 14,293.09
  4. Step 4: Simplify right side
    22,787.47x = 449,691,913.27
  5. Step 5: Solve for x
    x = 449,691,913.27/22,787.47
  6. Step 6: Final answer
    x = 19,734.17

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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.