Home / 16,279.80-24,419.70-11,851.80

Finding the Fourth Proportional to 16,279.80, 24,419.70 and 11,851.80

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Solution

The fourth proportional to 16,279.80, 24,419.70 and 11,851.80 is: 17,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.80 : 24,419.70 = 11,851.80 : x
  2. Step 2: Convert to fraction form
    16,279.80/24,419.70 = 11,851.80/x
  3. Step 3: Cross multiply
    16,279.80x = 24,419.70 × 11,851.80
  4. Step 4: Simplify right side
    16,279.80x = 289,417,400.46
  5. Step 5: Solve for x
    x = 289,417,400.46/16,279.80
  6. Step 6: Final answer
    x = 17,777.70

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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.