Home / 10,818.41-16,229.81-4,154.63

Finding the Fourth Proportional to 10,818.41, 16,229.81 and 4,154.63

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Solution

The fourth proportional to 10,818.41, 16,229.81 and 4,154.63 is: 6,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.41 : 16,229.81 = 4,154.63 : x
  2. Step 2: Convert to fraction form
    10,818.41/16,229.81 = 4,154.63/x
  3. Step 3: Cross multiply
    10,818.41x = 16,229.81 × 4,154.63
  4. Step 4: Simplify right side
    10,818.41x = 67,428,784.76
  5. Step 5: Solve for x
    x = 67,428,784.76/10,818.41
  6. Step 6: Final answer
    x = 6,232.78

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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.