Home / 11,557.40-17,320.30-5,314.73

Finding the Fourth Proportional to 11,557.40, 17,320.30 and 5,314.73

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Solution

The fourth proportional to 11,557.40, 17,320.30 and 5,314.73 is: 7,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.40 : 17,320.30 = 5,314.73 : x
  2. Step 2: Convert to fraction form
    11,557.40/17,320.30 = 5,314.73/x
  3. Step 3: Cross multiply
    11,557.40x = 17,320.30 × 5,314.73
  4. Step 4: Simplify right side
    11,557.40x = 92,052,718.02
  5. Step 5: Solve for x
    x = 92,052,718.02/11,557.40
  6. Step 6: Final answer
    x = 7,964.83

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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.