Home / 19,882.47-29,823.75-9,344.76

Finding the Fourth Proportional to 19,882.47, 29,823.75 and 9,344.76

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Solution

The fourth proportional to 19,882.47, 29,823.75 and 9,344.76 is: 14,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.47 : 29,823.75 = 9,344.76 : x
  2. Step 2: Convert to fraction form
    19,882.47/29,823.75 = 9,344.76/x
  3. Step 3: Cross multiply
    19,882.47x = 29,823.75 × 9,344.76
  4. Step 4: Simplify right side
    19,882.47x = 278,695,786.05
  5. Step 5: Solve for x
    x = 278,695,786.05/19,882.47
  6. Step 6: Final answer
    x = 14,017.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.