Home / 15,965.80-22,032.78-9,252.70

Finding the Fourth Proportional to 15,965.80, 22,032.78 and 9,252.70

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Solution

The fourth proportional to 15,965.80, 22,032.78 and 9,252.70 is: 12,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.80 : 22,032.78 = 9,252.70 : x
  2. Step 2: Convert to fraction form
    15,965.80/22,032.78 = 9,252.70/x
  3. Step 3: Cross multiply
    15,965.80x = 22,032.78 × 9,252.70
  4. Step 4: Simplify right side
    15,965.80x = 203,862,703.51
  5. Step 5: Solve for x
    x = 203,862,703.51/15,965.80
  6. Step 6: Final answer
    x = 12,768.71

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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.