Home / 13,471.67-18,591.65-8,095.76

Finding the Fourth Proportional to 13,471.67, 18,591.65 and 8,095.76

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Solution

The fourth proportional to 13,471.67, 18,591.65 and 8,095.76 is: 11,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.67 : 18,591.65 = 8,095.76 : x
  2. Step 2: Convert to fraction form
    13,471.67/18,591.65 = 8,095.76/x
  3. Step 3: Cross multiply
    13,471.67x = 18,591.65 × 8,095.76
  4. Step 4: Simplify right side
    13,471.67x = 150,513,402.97
  5. Step 5: Solve for x
    x = 150,513,402.97/13,471.67
  6. Step 6: Final answer
    x = 11,172.59

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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.