Home / 16,518.89-24,736.01-9,115.13

Finding the Fourth Proportional to 16,518.89, 24,736.01 and 9,115.13

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Solution

The fourth proportional to 16,518.89, 24,736.01 and 9,115.13 is: 13,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.89 : 24,736.01 = 9,115.13 : x
  2. Step 2: Convert to fraction form
    16,518.89/24,736.01 = 9,115.13/x
  3. Step 3: Cross multiply
    16,518.89x = 24,736.01 × 9,115.13
  4. Step 4: Simplify right side
    16,518.89x = 225,471,777.58
  5. Step 5: Solve for x
    x = 225,471,777.58/16,518.89
  6. Step 6: Final answer
    x = 13,649.33

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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.