Home / 17,612.43-26,410.97-6,660.75

Finding the Fourth Proportional to 17,612.43, 26,410.97 and 6,660.75

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Solution

The fourth proportional to 17,612.43, 26,410.97 and 6,660.75 is: 9,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.43 : 26,410.97 = 6,660.75 : x
  2. Step 2: Convert to fraction form
    17,612.43/26,410.97 = 6,660.75/x
  3. Step 3: Cross multiply
    17,612.43x = 26,410.97 × 6,660.75
  4. Step 4: Simplify right side
    17,612.43x = 175,916,835.12
  5. Step 5: Solve for x
    x = 175,916,835.12/17,612.43
  6. Step 6: Final answer
    x = 9,988.22

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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.