Home / 12,581.46-17,364.11-8,331.93

Finding the Fourth Proportional to 12,581.46, 17,364.11 and 8,331.93

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Solution

The fourth proportional to 12,581.46, 17,364.11 and 8,331.93 is: 11,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.46 : 17,364.11 = 8,331.93 : x
  2. Step 2: Convert to fraction form
    12,581.46/17,364.11 = 8,331.93/x
  3. Step 3: Cross multiply
    12,581.46x = 17,364.11 × 8,331.93
  4. Step 4: Simplify right side
    12,581.46x = 144,676,507.37
  5. Step 5: Solve for x
    x = 144,676,507.37/12,581.46
  6. Step 6: Final answer
    x = 11,499.18

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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.