Home / 15,537.46-21,441.12-8,463.76

Finding the Fourth Proportional to 15,537.46, 21,441.12 and 8,463.76

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Solution

The fourth proportional to 15,537.46, 21,441.12 and 8,463.76 is: 11,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.46 : 21,441.12 = 8,463.76 : x
  2. Step 2: Convert to fraction form
    15,537.46/21,441.12 = 8,463.76/x
  3. Step 3: Cross multiply
    15,537.46x = 21,441.12 × 8,463.76
  4. Step 4: Simplify right side
    15,537.46x = 181,472,493.81
  5. Step 5: Solve for x
    x = 181,472,493.81/15,537.46
  6. Step 6: Final answer
    x = 11,679.68

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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.