Home / 15,549.23-21,461.42-9,882.88

Finding the Fourth Proportional to 15,549.23, 21,461.42 and 9,882.88

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Solution

The fourth proportional to 15,549.23, 21,461.42 and 9,882.88 is: 13,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.23 : 21,461.42 = 9,882.88 : x
  2. Step 2: Convert to fraction form
    15,549.23/21,461.42 = 9,882.88/x
  3. Step 3: Cross multiply
    15,549.23x = 21,461.42 × 9,882.88
  4. Step 4: Simplify right side
    15,549.23x = 212,100,609.54
  5. Step 5: Solve for x
    x = 212,100,609.54/15,549.23
  6. Step 6: Final answer
    x = 13,640.58

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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.