Home / 9,921.89-14,882.87-3,348.14

Finding the Fourth Proportional to 9,921.89, 14,882.87 and 3,348.14

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Solution

The fourth proportional to 9,921.89, 14,882.87 and 3,348.14 is: 5,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.89 : 14,882.87 = 3,348.14 : x
  2. Step 2: Convert to fraction form
    9,921.89/14,882.87 = 3,348.14/x
  3. Step 3: Cross multiply
    9,921.89x = 14,882.87 × 3,348.14
  4. Step 4: Simplify right side
    9,921.89x = 49,829,866.32
  5. Step 5: Solve for x
    x = 49,829,866.32/9,921.89
  6. Step 6: Final answer
    x = 5,022.21

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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.