Home / 9,621.68-13,277.85-5,372.49

Finding the Fourth Proportional to 9,621.68, 13,277.85 and 5,372.49

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Solution

The fourth proportional to 9,621.68, 13,277.85 and 5,372.49 is: 7,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.68 : 13,277.85 = 5,372.49 : x
  2. Step 2: Convert to fraction form
    9,621.68/13,277.85 = 5,372.49/x
  3. Step 3: Cross multiply
    9,621.68x = 13,277.85 × 5,372.49
  4. Step 4: Simplify right side
    9,621.68x = 71,335,116.35
  5. Step 5: Solve for x
    x = 71,335,116.35/9,621.68
  6. Step 6: Final answer
    x = 7,414.00

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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.