Home / 17,206.67-25,807.56-8,439.23

Finding the Fourth Proportional to 17,206.67, 25,807.56 and 8,439.23

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Solution

The fourth proportional to 17,206.67, 25,807.56 and 8,439.23 is: 12,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.67 : 25,807.56 = 8,439.23 : x
  2. Step 2: Convert to fraction form
    17,206.67/25,807.56 = 8,439.23/x
  3. Step 3: Cross multiply
    17,206.67x = 25,807.56 × 8,439.23
  4. Step 4: Simplify right side
    17,206.67x = 217,795,805.54
  5. Step 5: Solve for x
    x = 217,795,805.54/17,206.67
  6. Step 6: Final answer
    x = 12,657.64

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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.