Home / 18,012.72-24,841.20-11,298.96

Finding the Fourth Proportional to 18,012.72, 24,841.20 and 11,298.96

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Solution

The fourth proportional to 18,012.72, 24,841.20 and 11,298.96 is: 15,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.72 : 24,841.20 = 11,298.96 : x
  2. Step 2: Convert to fraction form
    18,012.72/24,841.20 = 11,298.96/x
  3. Step 3: Cross multiply
    18,012.72x = 24,841.20 × 11,298.96
  4. Step 4: Simplify right side
    18,012.72x = 280,679,725.15
  5. Step 5: Solve for x
    x = 280,679,725.15/18,012.72
  6. Step 6: Final answer
    x = 15,582.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.