Home / 10,001.12-13,802.40-5,525.36

Finding the Fourth Proportional to 10,001.12, 13,802.40 and 5,525.36

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Solution

The fourth proportional to 10,001.12, 13,802.40 and 5,525.36 is: 7,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.12 : 13,802.40 = 5,525.36 : x
  2. Step 2: Convert to fraction form
    10,001.12/13,802.40 = 5,525.36/x
  3. Step 3: Cross multiply
    10,001.12x = 13,802.40 × 5,525.36
  4. Step 4: Simplify right side
    10,001.12x = 76,263,228.86
  5. Step 5: Solve for x
    x = 76,263,228.86/10,001.12
  6. Step 6: Final answer
    x = 7,625.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.