Home / 10,132.26-13,992.18-9,580.05

Finding the Fourth Proportional to 10,132.26, 13,992.18 and 9,580.05

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Solution

The fourth proportional to 10,132.26, 13,992.18 and 9,580.05 is: 13,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.26 : 13,992.18 = 9,580.05 : x
  2. Step 2: Convert to fraction form
    10,132.26/13,992.18 = 9,580.05/x
  3. Step 3: Cross multiply
    10,132.26x = 13,992.18 × 9,580.05
  4. Step 4: Simplify right side
    10,132.26x = 134,045,784.01
  5. Step 5: Solve for x
    x = 134,045,784.01/10,132.26
  6. Step 6: Final answer
    x = 13,229.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.