Home / 17,812.20-26,718.30-5,498.60

Finding the Fourth Proportional to 17,812.20, 26,718.30 and 5,498.60

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Solution

The fourth proportional to 17,812.20, 26,718.30 and 5,498.60 is: 8,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.20 : 26,718.30 = 5,498.60 : x
  2. Step 2: Convert to fraction form
    17,812.20/26,718.30 = 5,498.60/x
  3. Step 3: Cross multiply
    17,812.20x = 26,718.30 × 5,498.60
  4. Step 4: Simplify right side
    17,812.20x = 146,913,244.38
  5. Step 5: Solve for x
    x = 146,913,244.38/17,812.20
  6. Step 6: Final answer
    x = 8,247.90

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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.