Home / 14,318.40-19,761.60-8,352

Finding the Fourth Proportional to 14,318.40, 19,761.60 and 8,352

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Solution

The fourth proportional to 14,318.40, 19,761.60 and 8,352 is: 11,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.40 : 19,761.60 = 8,352 : x
  2. Step 2: Convert to fraction form
    14,318.40/19,761.60 = 8,352/x
  3. Step 3: Cross multiply
    14,318.40x = 19,761.60 × 8,352
  4. Step 4: Simplify right side
    14,318.40x = 165,048,883.20
  5. Step 5: Solve for x
    x = 165,048,883.20/14,318.40
  6. Step 6: Final answer
    x = 11,527.05

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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.