Home / 19,191.60-26,439.03-18,305.82

Finding the Fourth Proportional to 19,191.60, 26,439.03 and 18,305.82

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Solution

The fourth proportional to 19,191.60, 26,439.03 and 18,305.82 is: 25,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.60 : 26,439.03 = 18,305.82 : x
  2. Step 2: Convert to fraction form
    19,191.60/26,439.03 = 18,305.82/x
  3. Step 3: Cross multiply
    19,191.60x = 26,439.03 × 18,305.82
  4. Step 4: Simplify right side
    19,191.60x = 483,988,124.15
  5. Step 5: Solve for x
    x = 483,988,124.15/19,191.60
  6. Step 6: Final answer
    x = 25,218.75

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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.