Home / 13,191.52-19,767.44-5,788.96

Finding the Fourth Proportional to 13,191.52, 19,767.44 and 5,788.96

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Solution

The fourth proportional to 13,191.52, 19,767.44 and 5,788.96 is: 8,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.52 : 19,767.44 = 5,788.96 : x
  2. Step 2: Convert to fraction form
    13,191.52/19,767.44 = 5,788.96/x
  3. Step 3: Cross multiply
    13,191.52x = 19,767.44 × 5,788.96
  4. Step 4: Simplify right side
    13,191.52x = 114,432,919.46
  5. Step 5: Solve for x
    x = 114,432,919.46/13,191.52
  6. Step 6: Final answer
    x = 8,674.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.