Home / 15,209.24-22,809.90-6,439.64

Finding the Fourth Proportional to 15,209.24, 22,809.90 and 6,439.64

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Solution

The fourth proportional to 15,209.24, 22,809.90 and 6,439.64 is: 9,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.24 : 22,809.90 = 6,439.64 : x
  2. Step 2: Convert to fraction form
    15,209.24/22,809.90 = 6,439.64/x
  3. Step 3: Cross multiply
    15,209.24x = 22,809.90 × 6,439.64
  4. Step 4: Simplify right side
    15,209.24x = 146,887,544.44
  5. Step 5: Solve for x
    x = 146,887,544.44/15,209.24
  6. Step 6: Final answer
    x = 9,657.78

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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.