Home / 17,677.72-26,523.60-7,287.04

Finding the Fourth Proportional to 17,677.72, 26,523.60 and 7,287.04

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Solution

The fourth proportional to 17,677.72, 26,523.60 and 7,287.04 is: 10,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.72 : 26,523.60 = 7,287.04 : x
  2. Step 2: Convert to fraction form
    17,677.72/26,523.60 = 7,287.04/x
  3. Step 3: Cross multiply
    17,677.72x = 26,523.60 × 7,287.04
  4. Step 4: Simplify right side
    17,677.72x = 193,278,534.14
  5. Step 5: Solve for x
    x = 193,278,534.14/17,677.72
  6. Step 6: Final answer
    x = 10,933.45

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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.