Home / 13,288.86-19,938.15-4,524.66

Finding the Fourth Proportional to 13,288.86, 19,938.15 and 4,524.66

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Solution

The fourth proportional to 13,288.86, 19,938.15 and 4,524.66 is: 6,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.86 : 19,938.15 = 4,524.66 : x
  2. Step 2: Convert to fraction form
    13,288.86/19,938.15 = 4,524.66/x
  3. Step 3: Cross multiply
    13,288.86x = 19,938.15 × 4,524.66
  4. Step 4: Simplify right side
    13,288.86x = 90,213,349.78
  5. Step 5: Solve for x
    x = 90,213,349.78/13,288.86
  6. Step 6: Final answer
    x = 6,788.64

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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.