Home / 9,636.75-13,298.72-5,220.75

Finding the Fourth Proportional to 9,636.75, 13,298.72 and 5,220.75

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Solution

The fourth proportional to 9,636.75, 13,298.72 and 5,220.75 is: 7,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.75 : 13,298.72 = 5,220.75 : x
  2. Step 2: Convert to fraction form
    9,636.75/13,298.72 = 5,220.75/x
  3. Step 3: Cross multiply
    9,636.75x = 13,298.72 × 5,220.75
  4. Step 4: Simplify right side
    9,636.75x = 69,429,292.44
  5. Step 5: Solve for x
    x = 69,429,292.44/9,636.75
  6. Step 6: Final answer
    x = 7,204.64

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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.