Home / 15,841.98-21,823.80-13,324.14

Finding the Fourth Proportional to 15,841.98, 21,823.80 and 13,324.14

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Solution

The fourth proportional to 15,841.98, 21,823.80 and 13,324.14 is: 18,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.98 : 21,823.80 = 13,324.14 : x
  2. Step 2: Convert to fraction form
    15,841.98/21,823.80 = 13,324.14/x
  3. Step 3: Cross multiply
    15,841.98x = 21,823.80 × 13,324.14
  4. Step 4: Simplify right side
    15,841.98x = 290,783,366.53
  5. Step 5: Solve for x
    x = 290,783,366.53/15,841.98
  6. Step 6: Final answer
    x = 18,355.24

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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.