Home / 15,537.32-21,441.49-8,463.74

Finding the Fourth Proportional to 15,537.32, 21,441.49 and 8,463.74

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Solution

The fourth proportional to 15,537.32, 21,441.49 and 8,463.74 is: 11,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.32 : 21,441.49 = 8,463.74 : x
  2. Step 2: Convert to fraction form
    15,537.32/21,441.49 = 8,463.74/x
  3. Step 3: Cross multiply
    15,537.32x = 21,441.49 × 8,463.74
  4. Step 4: Simplify right side
    15,537.32x = 181,475,236.42
  5. Step 5: Solve for x
    x = 181,475,236.42/15,537.32
  6. Step 6: Final answer
    x = 11,679.96

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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.