Home / 11,522.20-17,285.70-6,587.80

Finding the Fourth Proportional to 11,522.20, 17,285.70 and 6,587.80

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Solution

The fourth proportional to 11,522.20, 17,285.70 and 6,587.80 is: 9,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.20 : 17,285.70 = 6,587.80 : x
  2. Step 2: Convert to fraction form
    11,522.20/17,285.70 = 6,587.80/x
  3. Step 3: Cross multiply
    11,522.20x = 17,285.70 × 6,587.80
  4. Step 4: Simplify right side
    11,522.20x = 113,874,734.46
  5. Step 5: Solve for x
    x = 113,874,734.46/11,522.20
  6. Step 6: Final answer
    x = 9,883.07

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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.