Home / 17,910.90-26,870.23-6,817.80

Finding the Fourth Proportional to 17,910.90, 26,870.23 and 6,817.80

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Solution

The fourth proportional to 17,910.90, 26,870.23 and 6,817.80 is: 10,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.90 : 26,870.23 = 6,817.80 : x
  2. Step 2: Convert to fraction form
    17,910.90/26,870.23 = 6,817.80/x
  3. Step 3: Cross multiply
    17,910.90x = 26,870.23 × 6,817.80
  4. Step 4: Simplify right side
    17,910.90x = 183,195,854.09
  5. Step 5: Solve for x
    x = 183,195,854.09/17,910.90
  6. Step 6: Final answer
    x = 10,228.18

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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.