Home / 17,551.60-26,319.30-7,685.80

Finding the Fourth Proportional to 17,551.60, 26,319.30 and 7,685.80

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Solution

The fourth proportional to 17,551.60, 26,319.30 and 7,685.80 is: 11,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.60 : 26,319.30 = 7,685.80 : x
  2. Step 2: Convert to fraction form
    17,551.60/26,319.30 = 7,685.80/x
  3. Step 3: Cross multiply
    17,551.60x = 26,319.30 × 7,685.80
  4. Step 4: Simplify right side
    17,551.60x = 202,284,875.94
  5. Step 5: Solve for x
    x = 202,284,875.94/17,551.60
  6. Step 6: Final answer
    x = 11,525.15

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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.