Home / 17,705.60-26,546.10-7,839.50

Finding the Fourth Proportional to 17,705.60, 26,546.10 and 7,839.50

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Solution

The fourth proportional to 17,705.60, 26,546.10 and 7,839.50 is: 11,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.60 : 26,546.10 = 7,839.50 : x
  2. Step 2: Convert to fraction form
    17,705.60/26,546.10 = 7,839.50/x
  3. Step 3: Cross multiply
    17,705.60x = 26,546.10 × 7,839.50
  4. Step 4: Simplify right side
    17,705.60x = 208,108,150.95
  5. Step 5: Solve for x
    x = 208,108,150.95/17,705.60
  6. Step 6: Final answer
    x = 11,753.80

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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.