Home / 10,001.72-13,802.19-5,525.36

Finding the Fourth Proportional to 10,001.72, 13,802.19 and 5,525.36

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Solution

The fourth proportional to 10,001.72, 13,802.19 and 5,525.36 is: 7,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.72 : 13,802.19 = 5,525.36 : x
  2. Step 2: Convert to fraction form
    10,001.72/13,802.19 = 5,525.36/x
  3. Step 3: Cross multiply
    10,001.72x = 13,802.19 × 5,525.36
  4. Step 4: Simplify right side
    10,001.72x = 76,261,999.53
  5. Step 5: Solve for x
    x = 76,261,999.53/10,001.72
  6. Step 6: Final answer
    x = 7,624.89

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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.