Home / 15,168.35-22,765.28-7,779.93

Finding the Fourth Proportional to 15,168.35, 22,765.28 and 7,779.93

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Solution

The fourth proportional to 15,168.35, 22,765.28 and 7,779.93 is: 11,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.35 : 22,765.28 = 7,779.93 : x
  2. Step 2: Convert to fraction form
    15,168.35/22,765.28 = 7,779.93/x
  3. Step 3: Cross multiply
    15,168.35x = 22,765.28 × 7,779.93
  4. Step 4: Simplify right side
    15,168.35x = 177,112,245.93
  5. Step 5: Solve for x
    x = 177,112,245.93/15,168.35
  6. Step 6: Final answer
    x = 11,676.44

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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.