Home / 10,754.29-16,125.13-4,172.77

Finding the Fourth Proportional to 10,754.29, 16,125.13 and 4,172.77

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Solution

The fourth proportional to 10,754.29, 16,125.13 and 4,172.77 is: 6,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.29 : 16,125.13 = 4,172.77 : x
  2. Step 2: Convert to fraction form
    10,754.29/16,125.13 = 4,172.77/x
  3. Step 3: Cross multiply
    10,754.29x = 16,125.13 × 4,172.77
  4. Step 4: Simplify right side
    10,754.29x = 67,286,458.71
  5. Step 5: Solve for x
    x = 67,286,458.71/10,754.29
  6. Step 6: Final answer
    x = 6,256.71

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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.