Home / 25,314.22-37,974.96-7,785.52

Finding the Fourth Proportional to 25,314.22, 37,974.96 and 7,785.52

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Solution

The fourth proportional to 25,314.22, 37,974.96 and 7,785.52 is: 11,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.22 : 37,974.96 = 7,785.52 : x
  2. Step 2: Convert to fraction form
    25,314.22/37,974.96 = 7,785.52/x
  3. Step 3: Cross multiply
    25,314.22x = 37,974.96 × 7,785.52
  4. Step 4: Simplify right side
    25,314.22x = 295,654,810.58
  5. Step 5: Solve for x
    x = 295,654,810.58/25,314.22
  6. Step 6: Final answer
    x = 11,679.40

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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.