Home / 10,182.06-15,278.56-4,342.76

Finding the Fourth Proportional to 10,182.06, 15,278.56 and 4,342.76

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Solution

The fourth proportional to 10,182.06, 15,278.56 and 4,342.76 is: 6,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.06 : 15,278.56 = 4,342.76 : x
  2. Step 2: Convert to fraction form
    10,182.06/15,278.56 = 4,342.76/x
  3. Step 3: Cross multiply
    10,182.06x = 15,278.56 × 4,342.76
  4. Step 4: Simplify right side
    10,182.06x = 66,351,119.23
  5. Step 5: Solve for x
    x = 66,351,119.23/10,182.06
  6. Step 6: Final answer
    x = 6,516.47

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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.