Home / 24,139.72-36,186.84-12,449.80

Finding the Fourth Proportional to 24,139.72, 36,186.84 and 12,449.80

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Solution

The fourth proportional to 24,139.72, 36,186.84 and 12,449.80 is: 18,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,139.72 : 36,186.84 = 12,449.80 : x
  2. Step 2: Convert to fraction form
    24,139.72/36,186.84 = 12,449.80/x
  3. Step 3: Cross multiply
    24,139.72x = 36,186.84 × 12,449.80
  4. Step 4: Simplify right side
    24,139.72x = 450,518,920.63
  5. Step 5: Solve for x
    x = 450,518,920.63/24,139.72
  6. Step 6: Final answer
    x = 18,662.97

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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.