Home / 15,121.28-22,686.84-6,358.64

Finding the Fourth Proportional to 15,121.28, 22,686.84 and 6,358.64

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Solution

The fourth proportional to 15,121.28, 22,686.84 and 6,358.64 is: 9,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.28 : 22,686.84 = 6,358.64 : x
  2. Step 2: Convert to fraction form
    15,121.28/22,686.84 = 6,358.64/x
  3. Step 3: Cross multiply
    15,121.28x = 22,686.84 × 6,358.64
  4. Step 4: Simplify right side
    15,121.28x = 144,257,448.30
  5. Step 5: Solve for x
    x = 144,257,448.30/15,121.28
  6. Step 6: Final answer
    x = 9,540.03

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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.