Home / 17,517.50-26,276.26-5,205.50

Finding the Fourth Proportional to 17,517.50, 26,276.26 and 5,205.50

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Solution

The fourth proportional to 17,517.50, 26,276.26 and 5,205.50 is: 7,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.50 : 26,276.26 = 5,205.50 : x
  2. Step 2: Convert to fraction form
    17,517.50/26,276.26 = 5,205.50/x
  3. Step 3: Cross multiply
    17,517.50x = 26,276.26 × 5,205.50
  4. Step 4: Simplify right side
    17,517.50x = 136,781,071.43
  5. Step 5: Solve for x
    x = 136,781,071.43/17,517.50
  6. Step 6: Final answer
    x = 7,808.25

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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.