Home / 15,063.03-20,788.45-8,775

Finding the Fourth Proportional to 15,063.03, 20,788.45 and 8,775

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Solution

The fourth proportional to 15,063.03, 20,788.45 and 8,775 is: 12,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.03 : 20,788.45 = 8,775 : x
  2. Step 2: Convert to fraction form
    15,063.03/20,788.45 = 8,775/x
  3. Step 3: Cross multiply
    15,063.03x = 20,788.45 × 8,775
  4. Step 4: Simplify right side
    15,063.03x = 182,418,626.81
  5. Step 5: Solve for x
    x = 182,418,626.81/15,063.03
  6. Step 6: Final answer
    x = 12,110.35

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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.