Home / 22,787.17-34,191.28-8,742.51

Finding the Fourth Proportional to 22,787.17, 34,191.28 and 8,742.51

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Solution

The fourth proportional to 22,787.17, 34,191.28 and 8,742.51 is: 13,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,787.17 : 34,191.28 = 8,742.51 : x
  2. Step 2: Convert to fraction form
    22,787.17/34,191.28 = 8,742.51/x
  3. Step 3: Cross multiply
    22,787.17x = 34,191.28 × 8,742.51
  4. Step 4: Simplify right side
    22,787.17x = 298,917,607.31
  5. Step 5: Solve for x
    x = 298,917,607.31/22,787.17
  6. Step 6: Final answer
    x = 13,117.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.