Home / 9,949.13-14,921.40-4,399.46

Finding the Fourth Proportional to 9,949.13, 14,921.40 and 4,399.46

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Solution

The fourth proportional to 9,949.13, 14,921.40 and 4,399.46 is: 6,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.13 : 14,921.40 = 4,399.46 : x
  2. Step 2: Convert to fraction form
    9,949.13/14,921.40 = 4,399.46/x
  3. Step 3: Cross multiply
    9,949.13x = 14,921.40 × 4,399.46
  4. Step 4: Simplify right side
    9,949.13x = 65,646,139.75
  5. Step 5: Solve for x
    x = 65,646,139.75/9,949.13
  6. Step 6: Final answer
    x = 6,598.18

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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.