Home / 17,898.72-26,851.20-6,806.40

Finding the Fourth Proportional to 17,898.72, 26,851.20 and 6,806.40

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Solution

The fourth proportional to 17,898.72, 26,851.20 and 6,806.40 is: 10,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.72 : 26,851.20 = 6,806.40 : x
  2. Step 2: Convert to fraction form
    17,898.72/26,851.20 = 6,806.40/x
  3. Step 3: Cross multiply
    17,898.72x = 26,851.20 × 6,806.40
  4. Step 4: Simplify right side
    17,898.72x = 182,760,007.68
  5. Step 5: Solve for x
    x = 182,760,007.68/17,898.72
  6. Step 6: Final answer
    x = 10,210.79

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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.