Home / 19,758.28-27,267.30-11,377.48

Finding the Fourth Proportional to 19,758.28, 27,267.30 and 11,377.48

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Solution

The fourth proportional to 19,758.28, 27,267.30 and 11,377.48 is: 15,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.28 : 27,267.30 = 11,377.48 : x
  2. Step 2: Convert to fraction form
    19,758.28/27,267.30 = 11,377.48/x
  3. Step 3: Cross multiply
    19,758.28x = 27,267.30 × 11,377.48
  4. Step 4: Simplify right side
    19,758.28x = 310,233,160.40
  5. Step 5: Solve for x
    x = 310,233,160.40/19,758.28
  6. Step 6: Final answer
    x = 15,701.43

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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.