Home / 16,855.40-25,278.42-5,011.76

Finding the Fourth Proportional to 16,855.40, 25,278.42 and 5,011.76

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Solution

The fourth proportional to 16,855.40, 25,278.42 and 5,011.76 is: 7,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.40 : 25,278.42 = 5,011.76 : x
  2. Step 2: Convert to fraction form
    16,855.40/25,278.42 = 5,011.76/x
  3. Step 3: Cross multiply
    16,855.40x = 25,278.42 × 5,011.76
  4. Step 4: Simplify right side
    16,855.40x = 126,689,374.22
  5. Step 5: Solve for x
    x = 126,689,374.22/16,855.40
  6. Step 6: Final answer
    x = 7,516.25

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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.