Home / 10,714.92-14,787.90-6,468.40

Finding the Fourth Proportional to 10,714.92, 14,787.90 and 6,468.40

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Solution

The fourth proportional to 10,714.92, 14,787.90 and 6,468.40 is: 8,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.92 : 14,787.90 = 6,468.40 : x
  2. Step 2: Convert to fraction form
    10,714.92/14,787.90 = 6,468.40/x
  3. Step 3: Cross multiply
    10,714.92x = 14,787.90 × 6,468.40
  4. Step 4: Simplify right side
    10,714.92x = 95,654,070.84
  5. Step 5: Solve for x
    x = 95,654,070.84/10,714.92
  6. Step 6: Final answer
    x = 8,927.19

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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.