Home / 15,478.08-23,209.92-5,616.96

Finding the Fourth Proportional to 15,478.08, 23,209.92 and 5,616.96

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Solution

The fourth proportional to 15,478.08, 23,209.92 and 5,616.96 is: 8,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.08 : 23,209.92 = 5,616.96 : x
  2. Step 2: Convert to fraction form
    15,478.08/23,209.92 = 5,616.96/x
  3. Step 3: Cross multiply
    15,478.08x = 23,209.92 × 5,616.96
  4. Step 4: Simplify right side
    15,478.08x = 130,369,192.24
  5. Step 5: Solve for x
    x = 130,369,192.24/15,478.08
  6. Step 6: Final answer
    x = 8,422.83

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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.