Home / 21,630.24-32,447.18-6,838.83

Finding the Fourth Proportional to 21,630.24, 32,447.18 and 6,838.83

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Solution

The fourth proportional to 21,630.24, 32,447.18 and 6,838.83 is: 10,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.24 : 32,447.18 = 6,838.83 : x
  2. Step 2: Convert to fraction form
    21,630.24/32,447.18 = 6,838.83/x
  3. Step 3: Cross multiply
    21,630.24x = 32,447.18 × 6,838.83
  4. Step 4: Simplify right side
    21,630.24x = 221,900,765.10
  5. Step 5: Solve for x
    x = 221,900,765.10/21,630.24
  6. Step 6: Final answer
    x = 10,258.82

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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.