Home / 14,487.96-21,714.90-6,680.28

Finding the Fourth Proportional to 14,487.96, 21,714.90 and 6,680.28

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Solution

The fourth proportional to 14,487.96, 21,714.90 and 6,680.28 is: 10,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.96 : 21,714.90 = 6,680.28 : x
  2. Step 2: Convert to fraction form
    14,487.96/21,714.90 = 6,680.28/x
  3. Step 3: Cross multiply
    14,487.96x = 21,714.90 × 6,680.28
  4. Step 4: Simplify right side
    14,487.96x = 145,061,612.17
  5. Step 5: Solve for x
    x = 145,061,612.17/14,487.96
  6. Step 6: Final answer
    x = 10,012.56

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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.