Home / 13,446.08-20,164.92-9,312.68

Finding the Fourth Proportional to 13,446.08, 20,164.92 and 9,312.68

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Solution

The fourth proportional to 13,446.08, 20,164.92 and 9,312.68 is: 13,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.08 : 20,164.92 = 9,312.68 : x
  2. Step 2: Convert to fraction form
    13,446.08/20,164.92 = 9,312.68/x
  3. Step 3: Cross multiply
    13,446.08x = 20,164.92 × 9,312.68
  4. Step 4: Simplify right side
    13,446.08x = 187,789,447.19
  5. Step 5: Solve for x
    x = 187,789,447.19/13,446.08
  6. Step 6: Final answer
    x = 13,966.11

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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.