Home / 12,572.55-17,349.42-6,906.18

Finding the Fourth Proportional to 12,572.55, 17,349.42 and 6,906.18

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Solution

The fourth proportional to 12,572.55, 17,349.42 and 6,906.18 is: 9,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.55 : 17,349.42 = 6,906.18 : x
  2. Step 2: Convert to fraction form
    12,572.55/17,349.42 = 6,906.18/x
  3. Step 3: Cross multiply
    12,572.55x = 17,349.42 × 6,906.18
  4. Step 4: Simplify right side
    12,572.55x = 119,818,217.42
  5. Step 5: Solve for x
    x = 119,818,217.42/12,572.55
  6. Step 6: Final answer
    x = 9,530.14

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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.