Home / 17,818.48-26,727.60-7,286.26

Finding the Fourth Proportional to 17,818.48, 26,727.60 and 7,286.26

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Solution

The fourth proportional to 17,818.48, 26,727.60 and 7,286.26 is: 10,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.48 : 26,727.60 = 7,286.26 : x
  2. Step 2: Convert to fraction form
    17,818.48/26,727.60 = 7,286.26/x
  3. Step 3: Cross multiply
    17,818.48x = 26,727.60 × 7,286.26
  4. Step 4: Simplify right side
    17,818.48x = 194,744,242.78
  5. Step 5: Solve for x
    x = 194,744,242.78/17,818.48
  6. Step 6: Final answer
    x = 10,929.34

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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.