Home / 10,001.12-13,801.44-5,525.20

Finding the Fourth Proportional to 10,001.12, 13,801.44 and 5,525.20

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Solution

The fourth proportional to 10,001.12, 13,801.44 and 5,525.20 is: 7,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.12 : 13,801.44 = 5,525.20 : x
  2. Step 2: Convert to fraction form
    10,001.12/13,801.44 = 5,525.20/x
  3. Step 3: Cross multiply
    10,001.12x = 13,801.44 × 5,525.20
  4. Step 4: Simplify right side
    10,001.12x = 76,255,716.29
  5. Step 5: Solve for x
    x = 76,255,716.29/10,001.12
  6. Step 6: Final answer
    x = 7,624.72

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Half scale
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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.