Home / 14,389.44-19,861.56-9,353.76

Finding the Fourth Proportional to 14,389.44, 19,861.56 and 9,353.76

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Solution

The fourth proportional to 14,389.44, 19,861.56 and 9,353.76 is: 12,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.44 : 19,861.56 = 9,353.76 : x
  2. Step 2: Convert to fraction form
    14,389.44/19,861.56 = 9,353.76/x
  3. Step 3: Cross multiply
    14,389.44x = 19,861.56 × 9,353.76
  4. Step 4: Simplify right side
    14,389.44x = 185,780,265.47
  5. Step 5: Solve for x
    x = 185,780,265.47/14,389.44
  6. Step 6: Final answer
    x = 12,910.88

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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.