Home / 13,200.60-19,752.30-12,034.20

Finding the Fourth Proportional to 13,200.60, 19,752.30 and 12,034.20

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Solution

The fourth proportional to 13,200.60, 19,752.30 and 12,034.20 is: 18,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.60 : 19,752.30 = 12,034.20 : x
  2. Step 2: Convert to fraction form
    13,200.60/19,752.30 = 12,034.20/x
  3. Step 3: Cross multiply
    13,200.60x = 19,752.30 × 12,034.20
  4. Step 4: Simplify right side
    13,200.60x = 237,703,128.66
  5. Step 5: Solve for x
    x = 237,703,128.66/13,200.60
  6. Step 6: Final answer
    x = 18,006.99

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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.