Home / 14,688.52-20,310.06-14,451.14

Finding the Fourth Proportional to 14,688.52, 20,310.06 and 14,451.14

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Solution

The fourth proportional to 14,688.52, 20,310.06 and 14,451.14 is: 19,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.52 : 20,310.06 = 14,451.14 : x
  2. Step 2: Convert to fraction form
    14,688.52/20,310.06 = 14,451.14/x
  3. Step 3: Cross multiply
    14,688.52x = 20,310.06 × 14,451.14
  4. Step 4: Simplify right side
    14,688.52x = 293,503,520.47
  5. Step 5: Solve for x
    x = 293,503,520.47/14,688.52
  6. Step 6: Final answer
    x = 19,981.83

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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.