Home / 19,758.15-27,265.98-11,260.78

Finding the Fourth Proportional to 19,758.15, 27,265.98 and 11,260.78

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Solution

The fourth proportional to 19,758.15, 27,265.98 and 11,260.78 is: 15,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.15 : 27,265.98 = 11,260.78 : x
  2. Step 2: Convert to fraction form
    19,758.15/27,265.98 = 11,260.78/x
  3. Step 3: Cross multiply
    19,758.15x = 27,265.98 × 11,260.78
  4. Step 4: Simplify right side
    19,758.15x = 307,036,202.26
  5. Step 5: Solve for x
    x = 307,036,202.26/19,758.15
  6. Step 6: Final answer
    x = 15,539.72

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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.