Home / 14,319.46-19,760.61-8,031.70

Finding the Fourth Proportional to 14,319.46, 19,760.61 and 8,031.70

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Solution

The fourth proportional to 14,319.46, 19,760.61 and 8,031.70 is: 11,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.46 : 19,760.61 = 8,031.70 : x
  2. Step 2: Convert to fraction form
    14,319.46/19,760.61 = 8,031.70/x
  3. Step 3: Cross multiply
    14,319.46x = 19,760.61 × 8,031.70
  4. Step 4: Simplify right side
    14,319.46x = 158,711,241.94
  5. Step 5: Solve for x
    x = 158,711,241.94/14,319.46
  6. Step 6: Final answer
    x = 11,083.61

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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.