Home / 9,965.38-14,948.94-2,569.78

Finding the Fourth Proportional to 9,965.38, 14,948.94 and 2,569.78

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Solution

The fourth proportional to 9,965.38, 14,948.94 and 2,569.78 is: 3,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.38 : 14,948.94 = 2,569.78 : x
  2. Step 2: Convert to fraction form
    9,965.38/14,948.94 = 2,569.78/x
  3. Step 3: Cross multiply
    9,965.38x = 14,948.94 × 2,569.78
  4. Step 4: Simplify right side
    9,965.38x = 38,415,487.03
  5. Step 5: Solve for x
    x = 38,415,487.03/9,965.38
  6. Step 6: Final answer
    x = 3,854.89

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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.