Home / 14,456.68-21,685.32-6,138.18

Finding the Fourth Proportional to 14,456.68, 21,685.32 and 6,138.18

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Solution

The fourth proportional to 14,456.68, 21,685.32 and 6,138.18 is: 9,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.68 : 21,685.32 = 6,138.18 : x
  2. Step 2: Convert to fraction form
    14,456.68/21,685.32 = 6,138.18/x
  3. Step 3: Cross multiply
    14,456.68x = 21,685.32 × 6,138.18
  4. Step 4: Simplify right side
    14,456.68x = 133,108,397.52
  5. Step 5: Solve for x
    x = 133,108,397.52/14,456.68
  6. Step 6: Final answer
    x = 9,207.40

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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.