Home / 11,632.31-17,420.60-6,359.40

Finding the Fourth Proportional to 11,632.31, 17,420.60 and 6,359.40

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Solution

The fourth proportional to 11,632.31, 17,420.60 and 6,359.40 is: 9,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,632.31 : 17,420.60 = 6,359.40 : x
  2. Step 2: Convert to fraction form
    11,632.31/17,420.60 = 6,359.40/x
  3. Step 3: Cross multiply
    11,632.31x = 17,420.60 × 6,359.40
  4. Step 4: Simplify right side
    11,632.31x = 110,784,531.84
  5. Step 5: Solve for x
    x = 110,784,531.84/11,632.31
  6. Step 6: Final answer
    x = 9,523.87

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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.