Home / 9,321.33-13,963.35-5,621.52

Finding the Fourth Proportional to 9,321.33, 13,963.35 and 5,621.52

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Solution

The fourth proportional to 9,321.33, 13,963.35 and 5,621.52 is: 8,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.33 : 13,963.35 = 5,621.52 : x
  2. Step 2: Convert to fraction form
    9,321.33/13,963.35 = 5,621.52/x
  3. Step 3: Cross multiply
    9,321.33x = 13,963.35 × 5,621.52
  4. Step 4: Simplify right side
    9,321.33x = 78,495,251.29
  5. Step 5: Solve for x
    x = 78,495,251.29/9,321.33
  6. Step 6: Final answer
    x = 8,421.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.