Home / 9,920.45-14,884.32-4,077.52

Finding the Fourth Proportional to 9,920.45, 14,884.32 and 4,077.52

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Solution

The fourth proportional to 9,920.45, 14,884.32 and 4,077.52 is: 6,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.45 : 14,884.32 = 4,077.52 : x
  2. Step 2: Convert to fraction form
    9,920.45/14,884.32 = 4,077.52/x
  3. Step 3: Cross multiply
    9,920.45x = 14,884.32 × 4,077.52
  4. Step 4: Simplify right side
    9,920.45x = 60,691,112.49
  5. Step 5: Solve for x
    x = 60,691,112.49/9,920.45
  6. Step 6: Final answer
    x = 6,117.78

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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.