Home / 16,760.11-25,139.78-8,437.89

Finding the Fourth Proportional to 16,760.11, 25,139.78 and 8,437.89

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Solution

The fourth proportional to 16,760.11, 25,139.78 and 8,437.89 is: 12,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,760.11 : 25,139.78 = 8,437.89 : x
  2. Step 2: Convert to fraction form
    16,760.11/25,139.78 = 8,437.89/x
  3. Step 3: Cross multiply
    16,760.11x = 25,139.78 × 8,437.89
  4. Step 4: Simplify right side
    16,760.11x = 212,126,698.26
  5. Step 5: Solve for x
    x = 212,126,698.26/16,760.11
  6. Step 6: Final answer
    x = 12,656.64

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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.