Home / 9,900.78-14,851.18-4,061.49

Finding the Fourth Proportional to 9,900.78, 14,851.18 and 4,061.49

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Solution

The fourth proportional to 9,900.78, 14,851.18 and 4,061.49 is: 6,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.78 : 14,851.18 = 4,061.49 : x
  2. Step 2: Convert to fraction form
    9,900.78/14,851.18 = 4,061.49/x
  3. Step 3: Cross multiply
    9,900.78x = 14,851.18 × 4,061.49
  4. Step 4: Simplify right side
    9,900.78x = 60,317,919.06
  5. Step 5: Solve for x
    x = 60,317,919.06/9,900.78
  6. Step 6: Final answer
    x = 6,092.24

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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.