Home / 16,317.28-22,518.96-9,243.76

Finding the Fourth Proportional to 16,317.28, 22,518.96 and 9,243.76

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Solution

The fourth proportional to 16,317.28, 22,518.96 and 9,243.76 is: 12,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.28 : 22,518.96 = 9,243.76 : x
  2. Step 2: Convert to fraction form
    16,317.28/22,518.96 = 9,243.76/x
  3. Step 3: Cross multiply
    16,317.28x = 22,518.96 × 9,243.76
  4. Step 4: Simplify right side
    16,317.28x = 208,159,861.69
  5. Step 5: Solve for x
    x = 208,159,861.69/16,317.28
  6. Step 6: Final answer
    x = 12,757.02

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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.