Home / 14,614.29-20,143.89-9,299.88

Finding the Fourth Proportional to 14,614.29, 20,143.89 and 9,299.88

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Solution

The fourth proportional to 14,614.29, 20,143.89 and 9,299.88 is: 12,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.29 : 20,143.89 = 9,299.88 : x
  2. Step 2: Convert to fraction form
    14,614.29/20,143.89 = 9,299.88/x
  3. Step 3: Cross multiply
    14,614.29x = 20,143.89 × 9,299.88
  4. Step 4: Simplify right side
    14,614.29x = 187,335,759.73
  5. Step 5: Solve for x
    x = 187,335,759.73/14,614.29
  6. Step 6: Final answer
    x = 12,818.67

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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.