Home / 9,101.32-13,580.60-8,544.04

Finding the Fourth Proportional to 9,101.32, 13,580.60 and 8,544.04

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Solution

The fourth proportional to 9,101.32, 13,580.60 and 8,544.04 is: 12,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.32 : 13,580.60 = 8,544.04 : x
  2. Step 2: Convert to fraction form
    9,101.32/13,580.60 = 8,544.04/x
  3. Step 3: Cross multiply
    9,101.32x = 13,580.60 × 8,544.04
  4. Step 4: Simplify right side
    9,101.32x = 116,033,189.62
  5. Step 5: Solve for x
    x = 116,033,189.62/9,101.32
  6. Step 6: Final answer
    x = 12,749.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.