Home / 14,330.20-19,775.68-8,042.57

Finding the Fourth Proportional to 14,330.20, 19,775.68 and 8,042.57

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Solution

The fourth proportional to 14,330.20, 19,775.68 and 8,042.57 is: 11,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.20 : 19,775.68 = 8,042.57 : x
  2. Step 2: Convert to fraction form
    14,330.20/19,775.68 = 8,042.57/x
  3. Step 3: Cross multiply
    14,330.20x = 19,775.68 × 8,042.57
  4. Step 4: Simplify right side
    14,330.20x = 159,047,290.70
  5. Step 5: Solve for x
    x = 159,047,290.70/14,330.20
  6. Step 6: Final answer
    x = 11,098.75

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1.5x scale

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.