Home / 9,580.68-13,221.36-6,441.12

Finding the Fourth Proportional to 9,580.68, 13,221.36 and 6,441.12

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Solution

The fourth proportional to 9,580.68, 13,221.36 and 6,441.12 is: 8,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.68 : 13,221.36 = 6,441.12 : x
  2. Step 2: Convert to fraction form
    9,580.68/13,221.36 = 6,441.12/x
  3. Step 3: Cross multiply
    9,580.68x = 13,221.36 × 6,441.12
  4. Step 4: Simplify right side
    9,580.68x = 85,160,366.32
  5. Step 5: Solve for x
    x = 85,160,366.32/9,580.68
  6. Step 6: Final answer
    x = 8,888.76

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Double scale
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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.