Home / 15,537.49-21,441.53-8,463.92

Finding the Fourth Proportional to 15,537.49, 21,441.53 and 8,463.92

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Solution

The fourth proportional to 15,537.49, 21,441.53 and 8,463.92 is: 11,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.49 : 21,441.53 = 8,463.92 : x
  2. Step 2: Convert to fraction form
    15,537.49/21,441.53 = 8,463.92/x
  3. Step 3: Cross multiply
    15,537.49x = 21,441.53 × 8,463.92
  4. Step 4: Simplify right side
    15,537.49x = 181,479,308.55
  5. Step 5: Solve for x
    x = 181,479,308.55/15,537.49
  6. Step 6: Final answer
    x = 11,680.09

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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.