Home / 10,251.29-15,376.95-2,855.77

Finding the Fourth Proportional to 10,251.29, 15,376.95 and 2,855.77

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Solution

The fourth proportional to 10,251.29, 15,376.95 and 2,855.77 is: 4,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.29 : 15,376.95 = 2,855.77 : x
  2. Step 2: Convert to fraction form
    10,251.29/15,376.95 = 2,855.77/x
  3. Step 3: Cross multiply
    10,251.29x = 15,376.95 × 2,855.77
  4. Step 4: Simplify right side
    10,251.29x = 43,913,032.50
  5. Step 5: Solve for x
    x = 43,913,032.50/10,251.29
  6. Step 6: Final answer
    x = 4,283.66

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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.