Home / 10,366.15-15,537.08-7,766.05

Finding the Fourth Proportional to 10,366.15, 15,537.08 and 7,766.05

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Solution

The fourth proportional to 10,366.15, 15,537.08 and 7,766.05 is: 11,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.15 : 15,537.08 = 7,766.05 : x
  2. Step 2: Convert to fraction form
    10,366.15/15,537.08 = 7,766.05/x
  3. Step 3: Cross multiply
    10,366.15x = 15,537.08 × 7,766.05
  4. Step 4: Simplify right side
    10,366.15x = 120,661,701.30
  5. Step 5: Solve for x
    x = 120,661,701.30/10,366.15
  6. Step 6: Final answer
    x = 11,639.97

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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.