Home / 17,148.67-25,704.79-8,258.46

Finding the Fourth Proportional to 17,148.67, 25,704.79 and 8,258.46

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Solution

The fourth proportional to 17,148.67, 25,704.79 and 8,258.46 is: 12,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.67 : 25,704.79 = 8,258.46 : x
  2. Step 2: Convert to fraction form
    17,148.67/25,704.79 = 8,258.46/x
  3. Step 3: Cross multiply
    17,148.67x = 25,704.79 × 8,258.46
  4. Step 4: Simplify right side
    17,148.67x = 212,281,980.02
  5. Step 5: Solve for x
    x = 212,281,980.02/17,148.67
  6. Step 6: Final answer
    x = 12,378.92

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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.