Home / 15,479.14-23,211.72-4,383.20

Finding the Fourth Proportional to 15,479.14, 23,211.72 and 4,383.20

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Solution

The fourth proportional to 15,479.14, 23,211.72 and 4,383.20 is: 6,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.14 : 23,211.72 = 4,383.20 : x
  2. Step 2: Convert to fraction form
    15,479.14/23,211.72 = 4,383.20/x
  3. Step 3: Cross multiply
    15,479.14x = 23,211.72 × 4,383.20
  4. Step 4: Simplify right side
    15,479.14x = 101,741,611.10
  5. Step 5: Solve for x
    x = 101,741,611.10/15,479.14
  6. Step 6: Final answer
    x = 6,572.82

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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.