Home / 9,919.92-14,881.32-4,721.52

Finding the Fourth Proportional to 9,919.92, 14,881.32 and 4,721.52

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Solution

The fourth proportional to 9,919.92, 14,881.32 and 4,721.52 is: 7,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.92 : 14,881.32 = 4,721.52 : x
  2. Step 2: Convert to fraction form
    9,919.92/14,881.32 = 4,721.52/x
  3. Step 3: Cross multiply
    9,919.92x = 14,881.32 × 4,721.52
  4. Step 4: Simplify right side
    9,919.92x = 70,262,450.01
  5. Step 5: Solve for x
    x = 70,262,450.01/9,919.92
  6. Step 6: Final answer
    x = 7,082.97

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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.