Home / 9,986.50-13,781.37-5,797.18

Finding the Fourth Proportional to 9,986.50, 13,781.37 and 5,797.18

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Solution

The fourth proportional to 9,986.50, 13,781.37 and 5,797.18 is: 8,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.50 : 13,781.37 = 5,797.18 : x
  2. Step 2: Convert to fraction form
    9,986.50/13,781.37 = 5,797.18/x
  3. Step 3: Cross multiply
    9,986.50x = 13,781.37 × 5,797.18
  4. Step 4: Simplify right side
    9,986.50x = 79,893,082.54
  5. Step 5: Solve for x
    x = 79,893,082.54/9,986.50
  6. Step 6: Final answer
    x = 8,000.11

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1.5x scale

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.