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Finding the Fourth Proportional to 10,001.40, 13,801.24 and 5,525.16

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Solution

The fourth proportional to 10,001.40, 13,801.24 and 5,525.16 is: 7,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.40 : 13,801.24 = 5,525.16 : x
  2. Step 2: Convert to fraction form
    10,001.40/13,801.24 = 5,525.16/x
  3. Step 3: Cross multiply
    10,001.40x = 13,801.24 × 5,525.16
  4. Step 4: Simplify right side
    10,001.40x = 76,254,059.20
  5. Step 5: Solve for x
    x = 76,254,059.20/10,001.40
  6. Step 6: Final answer
    x = 7,624.34

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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.