Home / 10,540.50-15,812.30-4,300.89

Finding the Fourth Proportional to 10,540.50, 15,812.30 and 4,300.89

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Solution

The fourth proportional to 10,540.50, 15,812.30 and 4,300.89 is: 6,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.50 : 15,812.30 = 4,300.89 : x
  2. Step 2: Convert to fraction form
    10,540.50/15,812.30 = 4,300.89/x
  3. Step 3: Cross multiply
    10,540.50x = 15,812.30 × 4,300.89
  4. Step 4: Simplify right side
    10,540.50x = 68,006,941.44
  5. Step 5: Solve for x
    x = 68,006,941.44/10,540.50
  6. Step 6: Final answer
    x = 6,451.97

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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.