Home / 14,079.59-21,077.31-8,516.11

Finding the Fourth Proportional to 14,079.59, 21,077.31 and 8,516.11

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Solution

The fourth proportional to 14,079.59, 21,077.31 and 8,516.11 is: 12,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.59 : 21,077.31 = 8,516.11 : x
  2. Step 2: Convert to fraction form
    14,079.59/21,077.31 = 8,516.11/x
  3. Step 3: Cross multiply
    14,079.59x = 21,077.31 × 8,516.11
  4. Step 4: Simplify right side
    14,079.59x = 179,496,690.46
  5. Step 5: Solve for x
    x = 179,496,690.46/14,079.59
  6. Step 6: Final answer
    x = 12,748.72

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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.