Home / 15,362.73-21,202.16-9,398.36

Finding the Fourth Proportional to 15,362.73, 21,202.16 and 9,398.36

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Solution

The fourth proportional to 15,362.73, 21,202.16 and 9,398.36 is: 12,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.73 : 21,202.16 = 9,398.36 : x
  2. Step 2: Convert to fraction form
    15,362.73/21,202.16 = 9,398.36/x
  3. Step 3: Cross multiply
    15,362.73x = 21,202.16 × 9,398.36
  4. Step 4: Simplify right side
    15,362.73x = 199,265,538.47
  5. Step 5: Solve for x
    x = 199,265,538.47/15,362.73
  6. Step 6: Final answer
    x = 12,970.71

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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.