Home / 16,902.20-25,350.90-5,809.40

Finding the Fourth Proportional to 16,902.20, 25,350.90 and 5,809.40

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Solution

The fourth proportional to 16,902.20, 25,350.90 and 5,809.40 is: 8,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.20 : 25,350.90 = 5,809.40 : x
  2. Step 2: Convert to fraction form
    16,902.20/25,350.90 = 5,809.40/x
  3. Step 3: Cross multiply
    16,902.20x = 25,350.90 × 5,809.40
  4. Step 4: Simplify right side
    16,902.20x = 147,273,518.46
  5. Step 5: Solve for x
    x = 147,273,518.46/16,902.20
  6. Step 6: Final answer
    x = 8,713.28

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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.