Home / 12,471.59-17,210.97-7,438.73

Finding the Fourth Proportional to 12,471.59, 17,210.97 and 7,438.73

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Solution

The fourth proportional to 12,471.59, 17,210.97 and 7,438.73 is: 10,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.59 : 17,210.97 = 7,438.73 : x
  2. Step 2: Convert to fraction form
    12,471.59/17,210.97 = 7,438.73/x
  3. Step 3: Cross multiply
    12,471.59x = 17,210.97 × 7,438.73
  4. Step 4: Simplify right side
    12,471.59x = 128,027,672.81
  5. Step 5: Solve for x
    x = 128,027,672.81/12,471.59
  6. Step 6: Final answer
    x = 10,265.55

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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.