Home / 10,182.28-15,275.60-3,162.14

Finding the Fourth Proportional to 10,182.28, 15,275.60 and 3,162.14

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Solution

The fourth proportional to 10,182.28, 15,275.60 and 3,162.14 is: 4,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.28 : 15,275.60 = 3,162.14 : x
  2. Step 2: Convert to fraction form
    10,182.28/15,275.60 = 3,162.14/x
  3. Step 3: Cross multiply
    10,182.28x = 15,275.60 × 3,162.14
  4. Step 4: Simplify right side
    10,182.28x = 48,303,585.78
  5. Step 5: Solve for x
    x = 48,303,585.78/10,182.28
  6. Step 6: Final answer
    x = 4,743.89

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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.