Home / 9,996.04-13,794.96-5,520.40

Finding the Fourth Proportional to 9,996.04, 13,794.96 and 5,520.40

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Solution

The fourth proportional to 9,996.04, 13,794.96 and 5,520.40 is: 7,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.04 : 13,794.96 = 5,520.40 : x
  2. Step 2: Convert to fraction form
    9,996.04/13,794.96 = 5,520.40/x
  3. Step 3: Cross multiply
    9,996.04x = 13,794.96 × 5,520.40
  4. Step 4: Simplify right side
    9,996.04x = 76,153,697.18
  5. Step 5: Solve for x
    x = 76,153,697.18/9,996.04
  6. Step 6: Final answer
    x = 7,618.39

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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.