Home / 9,981.90-13,774.32-5,734.26

Finding the Fourth Proportional to 9,981.90, 13,774.32 and 5,734.26

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Solution

The fourth proportional to 9,981.90, 13,774.32 and 5,734.26 is: 7,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.90 : 13,774.32 = 5,734.26 : x
  2. Step 2: Convert to fraction form
    9,981.90/13,774.32 = 5,734.26/x
  3. Step 3: Cross multiply
    9,981.90x = 13,774.32 × 5,734.26
  4. Step 4: Simplify right side
    9,981.90x = 78,985,532.20
  5. Step 5: Solve for x
    x = 78,985,532.20/9,981.90
  6. Step 6: Final answer
    x = 7,912.88

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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.