Home / 9,920.27-14,873.11-4,729.79

Finding the Fourth Proportional to 9,920.27, 14,873.11 and 4,729.79

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Solution

The fourth proportional to 9,920.27, 14,873.11 and 4,729.79 is: 7,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.27 : 14,873.11 = 4,729.79 : x
  2. Step 2: Convert to fraction form
    9,920.27/14,873.11 = 4,729.79/x
  3. Step 3: Cross multiply
    9,920.27x = 14,873.11 × 4,729.79
  4. Step 4: Simplify right side
    9,920.27x = 70,346,686.95
  5. Step 5: Solve for x
    x = 70,346,686.95/9,920.27
  6. Step 6: Final answer
    x = 7,091.21

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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.