Home / 15,376.40-23,043.32-8,788.68

Finding the Fourth Proportional to 15,376.40, 23,043.32 and 8,788.68

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Solution

The fourth proportional to 15,376.40, 23,043.32 and 8,788.68 is: 13,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.40 : 23,043.32 = 8,788.68 : x
  2. Step 2: Convert to fraction form
    15,376.40/23,043.32 = 8,788.68/x
  3. Step 3: Cross multiply
    15,376.40x = 23,043.32 × 8,788.68
  4. Step 4: Simplify right side
    15,376.40x = 202,520,365.62
  5. Step 5: Solve for x
    x = 202,520,365.62/15,376.40
  6. Step 6: Final answer
    x = 13,170.86

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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.