Home / 9,981.10-14,971.54-3,825.10

Finding the Fourth Proportional to 9,981.10, 14,971.54 and 3,825.10

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Solution

The fourth proportional to 9,981.10, 14,971.54 and 3,825.10 is: 5,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.10 : 14,971.54 = 3,825.10 : x
  2. Step 2: Convert to fraction form
    9,981.10/14,971.54 = 3,825.10/x
  3. Step 3: Cross multiply
    9,981.10x = 14,971.54 × 3,825.10
  4. Step 4: Simplify right side
    9,981.10x = 57,267,637.65
  5. Step 5: Solve for x
    x = 57,267,637.65/9,981.10
  6. Step 6: Final answer
    x = 5,737.61

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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.