Home / 15,362.33-21,155.38-13,344.82

Finding the Fourth Proportional to 15,362.33, 21,155.38 and 13,344.82

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Solution

The fourth proportional to 15,362.33, 21,155.38 and 13,344.82 is: 18,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.33 : 21,155.38 = 13,344.82 : x
  2. Step 2: Convert to fraction form
    15,362.33/21,155.38 = 13,344.82/x
  3. Step 3: Cross multiply
    15,362.33x = 21,155.38 × 13,344.82
  4. Step 4: Simplify right side
    15,362.33x = 282,314,651.88
  5. Step 5: Solve for x
    x = 282,314,651.88/15,362.33
  6. Step 6: Final answer
    x = 18,377.08

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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.