Home / 12,497.20-18,732.74-5,915.56

Finding the Fourth Proportional to 12,497.20, 18,732.74 and 5,915.56

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Solution

The fourth proportional to 12,497.20, 18,732.74 and 5,915.56 is: 8,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.20 : 18,732.74 = 5,915.56 : x
  2. Step 2: Convert to fraction form
    12,497.20/18,732.74 = 5,915.56/x
  3. Step 3: Cross multiply
    12,497.20x = 18,732.74 × 5,915.56
  4. Step 4: Simplify right side
    12,497.20x = 110,814,647.43
  5. Step 5: Solve for x
    x = 110,814,647.43/12,497.20
  6. Step 6: Final answer
    x = 8,867.16

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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.