Home / 15,033.34-22,519.20-8,445.70

Finding the Fourth Proportional to 15,033.34, 22,519.20 and 8,445.70

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Solution

The fourth proportional to 15,033.34, 22,519.20 and 8,445.70 is: 12,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.34 : 22,519.20 = 8,445.70 : x
  2. Step 2: Convert to fraction form
    15,033.34/22,519.20 = 8,445.70/x
  3. Step 3: Cross multiply
    15,033.34x = 22,519.20 × 8,445.70
  4. Step 4: Simplify right side
    15,033.34x = 190,190,407.44
  5. Step 5: Solve for x
    x = 190,190,407.44/15,033.34
  6. Step 6: Final answer
    x = 12,651.24

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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.