Home / 15,647.20-23,474.44-5,117.70

Finding the Fourth Proportional to 15,647.20, 23,474.44 and 5,117.70

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Solution

The fourth proportional to 15,647.20, 23,474.44 and 5,117.70 is: 7,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.20 : 23,474.44 = 5,117.70 : x
  2. Step 2: Convert to fraction form
    15,647.20/23,474.44 = 5,117.70/x
  3. Step 3: Cross multiply
    15,647.20x = 23,474.44 × 5,117.70
  4. Step 4: Simplify right side
    15,647.20x = 120,135,141.59
  5. Step 5: Solve for x
    x = 120,135,141.59/15,647.20
  6. Step 6: Final answer
    x = 7,677.74

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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.