Home / 9,949.20-13,724.28-5,756.88

Finding the Fourth Proportional to 9,949.20, 13,724.28 and 5,756.88

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Solution

The fourth proportional to 9,949.20, 13,724.28 and 5,756.88 is: 7,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.20 : 13,724.28 = 5,756.88 : x
  2. Step 2: Convert to fraction form
    9,949.20/13,724.28 = 5,756.88/x
  3. Step 3: Cross multiply
    9,949.20x = 13,724.28 × 5,756.88
  4. Step 4: Simplify right side
    9,949.20x = 79,009,033.05
  5. Step 5: Solve for x
    x = 79,009,033.05/9,949.20
  6. Step 6: Final answer
    x = 7,941.24

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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.