Home / 10,371.42-15,549.79-4,818.86

Finding the Fourth Proportional to 10,371.42, 15,549.79 and 4,818.86

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Solution

The fourth proportional to 10,371.42, 15,549.79 and 4,818.86 is: 7,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.42 : 15,549.79 = 4,818.86 : x
  2. Step 2: Convert to fraction form
    10,371.42/15,549.79 = 4,818.86/x
  3. Step 3: Cross multiply
    10,371.42x = 15,549.79 × 4,818.86
  4. Step 4: Simplify right side
    10,371.42x = 74,932,261.04
  5. Step 5: Solve for x
    x = 74,932,261.04/10,371.42
  6. Step 6: Final answer
    x = 7,224.88

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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.