Home / 15,422.24-23,148.48-6,660.20

Finding the Fourth Proportional to 15,422.24, 23,148.48 and 6,660.20

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Solution

The fourth proportional to 15,422.24, 23,148.48 and 6,660.20 is: 9,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.24 : 23,148.48 = 6,660.20 : x
  2. Step 2: Convert to fraction form
    15,422.24/23,148.48 = 6,660.20/x
  3. Step 3: Cross multiply
    15,422.24x = 23,148.48 × 6,660.20
  4. Step 4: Simplify right side
    15,422.24x = 154,173,506.50
  5. Step 5: Solve for x
    x = 154,173,506.50/15,422.24
  6. Step 6: Final answer
    x = 9,996.83

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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.