Home / 12,445.92-18,668.27-4,654.13

Finding the Fourth Proportional to 12,445.92, 18,668.27 and 4,654.13

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Solution

The fourth proportional to 12,445.92, 18,668.27 and 4,654.13 is: 6,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.92 : 18,668.27 = 4,654.13 : x
  2. Step 2: Convert to fraction form
    12,445.92/18,668.27 = 4,654.13/x
  3. Step 3: Cross multiply
    12,445.92x = 18,668.27 × 4,654.13
  4. Step 4: Simplify right side
    12,445.92x = 86,884,473.75
  5. Step 5: Solve for x
    x = 86,884,473.75/12,445.92
  6. Step 6: Final answer
    x = 6,980.96

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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.