Home / 10,276.74-15,394.23-8,200.26

Finding the Fourth Proportional to 10,276.74, 15,394.23 and 8,200.26

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Solution

The fourth proportional to 10,276.74, 15,394.23 and 8,200.26 is: 12,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.74 : 15,394.23 = 8,200.26 : x
  2. Step 2: Convert to fraction form
    10,276.74/15,394.23 = 8,200.26/x
  3. Step 3: Cross multiply
    10,276.74x = 15,394.23 × 8,200.26
  4. Step 4: Simplify right side
    10,276.74x = 126,236,688.50
  5. Step 5: Solve for x
    x = 126,236,688.50/10,276.74
  6. Step 6: Final answer
    x = 12,283.73

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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.