Home / 16,810.20-25,216.68-5,123.52

Finding the Fourth Proportional to 16,810.20, 25,216.68 and 5,123.52

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Solution

The fourth proportional to 16,810.20, 25,216.68 and 5,123.52 is: 7,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.20 : 25,216.68 = 5,123.52 : x
  2. Step 2: Convert to fraction form
    16,810.20/25,216.68 = 5,123.52/x
  3. Step 3: Cross multiply
    16,810.20x = 25,216.68 × 5,123.52
  4. Step 4: Simplify right side
    16,810.20x = 129,198,164.31
  5. Step 5: Solve for x
    x = 129,198,164.31/16,810.20
  6. Step 6: Final answer
    x = 7,685.70

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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.