Home / 19,115.64-26,380.92-11,562.30

Finding the Fourth Proportional to 19,115.64, 26,380.92 and 11,562.30

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Solution

The fourth proportional to 19,115.64, 26,380.92 and 11,562.30 is: 15,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.64 : 26,380.92 = 11,562.30 : x
  2. Step 2: Convert to fraction form
    19,115.64/26,380.92 = 11,562.30/x
  3. Step 3: Cross multiply
    19,115.64x = 26,380.92 × 11,562.30
  4. Step 4: Simplify right side
    19,115.64x = 305,024,111.32
  5. Step 5: Solve for x
    x = 305,024,111.32/19,115.64
  6. Step 6: Final answer
    x = 15,956.78

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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.