Home / 15,537.42-21,441.72-8,463.84

Finding the Fourth Proportional to 15,537.42, 21,441.72 and 8,463.84

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Solution

The fourth proportional to 15,537.42, 21,441.72 and 8,463.84 is: 11,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.42 : 21,441.72 = 8,463.84 : x
  2. Step 2: Convert to fraction form
    15,537.42/21,441.72 = 8,463.84/x
  3. Step 3: Cross multiply
    15,537.42x = 21,441.72 × 8,463.84
  4. Step 4: Simplify right side
    15,537.42x = 181,479,287.40
  5. Step 5: Solve for x
    x = 181,479,287.40/15,537.42
  6. Step 6: Final answer
    x = 11,680.14

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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.