Home / 15,479.10-23,220.27-9,630.90

Finding the Fourth Proportional to 15,479.10, 23,220.27 and 9,630.90

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Solution

The fourth proportional to 15,479.10, 23,220.27 and 9,630.90 is: 14,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.10 : 23,220.27 = 9,630.90 : x
  2. Step 2: Convert to fraction form
    15,479.10/23,220.27 = 9,630.90/x
  3. Step 3: Cross multiply
    15,479.10x = 23,220.27 × 9,630.90
  4. Step 4: Simplify right side
    15,479.10x = 223,632,098.34
  5. Step 5: Solve for x
    x = 223,632,098.34/15,479.10
  6. Step 6: Final answer
    x = 14,447.36

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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.