Home / 10,765.44-14,854.59-6,515.78

Finding the Fourth Proportional to 10,765.44, 14,854.59 and 6,515.78

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Solution

The fourth proportional to 10,765.44, 14,854.59 and 6,515.78 is: 8,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.44 : 14,854.59 = 6,515.78 : x
  2. Step 2: Convert to fraction form
    10,765.44/14,854.59 = 6,515.78/x
  3. Step 3: Cross multiply
    10,765.44x = 14,854.59 × 6,515.78
  4. Step 4: Simplify right side
    10,765.44x = 96,789,166.16
  5. Step 5: Solve for x
    x = 96,789,166.16/10,765.44
  6. Step 6: Final answer
    x = 8,990.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.