Home / 10,512.90-15,769.44-4,271.04

Finding the Fourth Proportional to 10,512.90, 15,769.44 and 4,271.04

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Solution

The fourth proportional to 10,512.90, 15,769.44 and 4,271.04 is: 6,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.90 : 15,769.44 = 4,271.04 : x
  2. Step 2: Convert to fraction form
    10,512.90/15,769.44 = 4,271.04/x
  3. Step 3: Cross multiply
    10,512.90x = 15,769.44 × 4,271.04
  4. Step 4: Simplify right side
    10,512.90x = 67,351,909.02
  5. Step 5: Solve for x
    x = 67,351,909.02/10,512.90
  6. Step 6: Final answer
    x = 6,406.60

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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.