Home / 14,854.11-20,498.64-8,139.87

Finding the Fourth Proportional to 14,854.11, 20,498.64 and 8,139.87

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Solution

The fourth proportional to 14,854.11, 20,498.64 and 8,139.87 is: 11,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.11 : 20,498.64 = 8,139.87 : x
  2. Step 2: Convert to fraction form
    14,854.11/20,498.64 = 8,139.87/x
  3. Step 3: Cross multiply
    14,854.11x = 20,498.64 × 8,139.87
  4. Step 4: Simplify right side
    14,854.11x = 166,856,264.78
  5. Step 5: Solve for x
    x = 166,856,264.78/14,854.11
  6. Step 6: Final answer
    x = 11,233.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.