Home / 11,682.40-17,523.60-4,287.10

Finding the Fourth Proportional to 11,682.40, 17,523.60 and 4,287.10

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Solution

The fourth proportional to 11,682.40, 17,523.60 and 4,287.10 is: 6,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.40 : 17,523.60 = 4,287.10 : x
  2. Step 2: Convert to fraction form
    11,682.40/17,523.60 = 4,287.10/x
  3. Step 3: Cross multiply
    11,682.40x = 17,523.60 × 4,287.10
  4. Step 4: Simplify right side
    11,682.40x = 75,125,425.56
  5. Step 5: Solve for x
    x = 75,125,425.56/11,682.40
  6. Step 6: Final answer
    x = 6,430.65

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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.