Home / 25,186.31-37,784.94-8,320.07

Finding the Fourth Proportional to 25,186.31, 37,784.94 and 8,320.07

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Solution

The fourth proportional to 25,186.31, 37,784.94 and 8,320.07 is: 12,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.31 : 37,784.94 = 8,320.07 : x
  2. Step 2: Convert to fraction form
    25,186.31/37,784.94 = 8,320.07/x
  3. Step 3: Cross multiply
    25,186.31x = 37,784.94 × 8,320.07
  4. Step 4: Simplify right side
    25,186.31x = 314,373,345.75
  5. Step 5: Solve for x
    x = 314,373,345.75/25,186.31
  6. Step 6: Final answer
    x = 12,481.91

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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.