Home / 16,490.49-24,729.60-7,131.85

Finding the Fourth Proportional to 16,490.49, 24,729.60 and 7,131.85

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Solution

The fourth proportional to 16,490.49, 24,729.60 and 7,131.85 is: 10,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.49 : 24,729.60 = 7,131.85 : x
  2. Step 2: Convert to fraction form
    16,490.49/24,729.60 = 7,131.85/x
  3. Step 3: Cross multiply
    16,490.49x = 24,729.60 × 7,131.85
  4. Step 4: Simplify right side
    16,490.49x = 176,367,762.68
  5. Step 5: Solve for x
    x = 176,367,762.68/16,490.49
  6. Step 6: Final answer
    x = 10,695.12

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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.