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Finding the Fourth Proportional to 9,597.68, 13,240.76 and 6,239.42

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Solution

The fourth proportional to 9,597.68, 13,240.76 and 6,239.42 is: 8,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,597.68 : 13,240.76 = 6,239.42 : x
  2. Step 2: Convert to fraction form
    9,597.68/13,240.76 = 6,239.42/x
  3. Step 3: Cross multiply
    9,597.68x = 13,240.76 × 6,239.42
  4. Step 4: Simplify right side
    9,597.68x = 82,614,662.76
  5. Step 5: Solve for x
    x = 82,614,662.76/9,597.68
  6. Step 6: Final answer
    x = 8,607.77

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Half scale
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Double scale
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Similar ratio
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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.