Home / 15,186.26-22,779.54-5,325.78

Finding the Fourth Proportional to 15,186.26, 22,779.54 and 5,325.78

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Solution

The fourth proportional to 15,186.26, 22,779.54 and 5,325.78 is: 7,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.26 : 22,779.54 = 5,325.78 : x
  2. Step 2: Convert to fraction form
    15,186.26/22,779.54 = 5,325.78/x
  3. Step 3: Cross multiply
    15,186.26x = 22,779.54 × 5,325.78
  4. Step 4: Simplify right side
    15,186.26x = 121,318,818.54
  5. Step 5: Solve for x
    x = 121,318,818.54/15,186.26
  6. Step 6: Final answer
    x = 7,988.72

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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.