Home / 20,265.53-27,966.32-11,769.74

Finding the Fourth Proportional to 20,265.53, 27,966.32 and 11,769.74

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Solution

The fourth proportional to 20,265.53, 27,966.32 and 11,769.74 is: 16,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.53 : 27,966.32 = 11,769.74 : x
  2. Step 2: Convert to fraction form
    20,265.53/27,966.32 = 11,769.74/x
  3. Step 3: Cross multiply
    20,265.53x = 27,966.32 × 11,769.74
  4. Step 4: Simplify right side
    20,265.53x = 329,156,175.33
  5. Step 5: Solve for x
    x = 329,156,175.33/20,265.53
  6. Step 6: Final answer
    x = 16,242.17

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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.