Home / 10,120.26-15,182.43-4,276.86

Finding the Fourth Proportional to 10,120.26, 15,182.43 and 4,276.86

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Solution

The fourth proportional to 10,120.26, 15,182.43 and 4,276.86 is: 6,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.26 : 15,182.43 = 4,276.86 : x
  2. Step 2: Convert to fraction form
    10,120.26/15,182.43 = 4,276.86/x
  3. Step 3: Cross multiply
    10,120.26x = 15,182.43 × 4,276.86
  4. Step 4: Simplify right side
    10,120.26x = 64,933,127.57
  5. Step 5: Solve for x
    x = 64,933,127.57/10,120.26
  6. Step 6: Final answer
    x = 6,416.15

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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.