Home / 9,986.08-13,781.16-5,510

Finding the Fourth Proportional to 9,986.08, 13,781.16 and 5,510

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Solution

The fourth proportional to 9,986.08, 13,781.16 and 5,510 is: 7,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.08 : 13,781.16 = 5,510 : x
  2. Step 2: Convert to fraction form
    9,986.08/13,781.16 = 5,510/x
  3. Step 3: Cross multiply
    9,986.08x = 13,781.16 × 5,510
  4. Step 4: Simplify right side
    9,986.08x = 75,934,191.60
  5. Step 5: Solve for x
    x = 75,934,191.60/9,986.08
  6. Step 6: Final answer
    x = 7,604.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.