Home / 15,900.20-23,850.30-11,545.34

Finding the Fourth Proportional to 15,900.20, 23,850.30 and 11,545.34

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Solution

The fourth proportional to 15,900.20, 23,850.30 and 11,545.34 is: 17,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.20 : 23,850.30 = 11,545.34 : x
  2. Step 2: Convert to fraction form
    15,900.20/23,850.30 = 11,545.34/x
  3. Step 3: Cross multiply
    15,900.20x = 23,850.30 × 11,545.34
  4. Step 4: Simplify right side
    15,900.20x = 275,359,822.60
  5. Step 5: Solve for x
    x = 275,359,822.60/15,900.20
  6. Step 6: Final answer
    x = 17,318.01

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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.