Home / 15,445.32-23,167.76-3,758.56

Finding the Fourth Proportional to 15,445.32, 23,167.76 and 3,758.56

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Solution

The fourth proportional to 15,445.32, 23,167.76 and 3,758.56 is: 5,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.32 : 23,167.76 = 3,758.56 : x
  2. Step 2: Convert to fraction form
    15,445.32/23,167.76 = 3,758.56/x
  3. Step 3: Cross multiply
    15,445.32x = 23,167.76 × 3,758.56
  4. Step 4: Simplify right side
    15,445.32x = 87,077,416.03
  5. Step 5: Solve for x
    x = 87,077,416.03/15,445.32
  6. Step 6: Final answer
    x = 5,637.79

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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.