Home / 15,631.85-23,447.67-3,945.08

Finding the Fourth Proportional to 15,631.85, 23,447.67 and 3,945.08

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Solution

The fourth proportional to 15,631.85, 23,447.67 and 3,945.08 is: 5,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.85 : 23,447.67 = 3,945.08 : x
  2. Step 2: Convert to fraction form
    15,631.85/23,447.67 = 3,945.08/x
  3. Step 3: Cross multiply
    15,631.85x = 23,447.67 × 3,945.08
  4. Step 4: Simplify right side
    15,631.85x = 92,502,933.96
  5. Step 5: Solve for x
    x = 92,502,933.96/15,631.85
  6. Step 6: Final answer
    x = 5,917.59

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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.