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Finding the Fourth Proportional to 9,591.54, 13,235.22 and 5,341.92

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Solution

The fourth proportional to 9,591.54, 13,235.22 and 5,341.92 is: 7,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.54 : 13,235.22 = 5,341.92 : x
  2. Step 2: Convert to fraction form
    9,591.54/13,235.22 = 5,341.92/x
  3. Step 3: Cross multiply
    9,591.54x = 13,235.22 × 5,341.92
  4. Step 4: Simplify right side
    9,591.54x = 70,701,486.42
  5. Step 5: Solve for x
    x = 70,701,486.42/9,591.54
  6. Step 6: Final answer
    x = 7,371.23

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Half scale
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Double scale
Find fourth proportional to 9,592.54, 13,236.60 and 5,342.92
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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.