Home / 13,083.97-19,618.66-4,316.53

Finding the Fourth Proportional to 13,083.97, 19,618.66 and 4,316.53

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Solution

The fourth proportional to 13,083.97, 19,618.66 and 4,316.53 is: 6,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.97 : 19,618.66 = 4,316.53 : x
  2. Step 2: Convert to fraction form
    13,083.97/19,618.66 = 4,316.53/x
  3. Step 3: Cross multiply
    13,083.97x = 19,618.66 × 4,316.53
  4. Step 4: Simplify right side
    13,083.97x = 84,684,534.45
  5. Step 5: Solve for x
    x = 84,684,534.45/13,083.97
  6. Step 6: Final answer
    x = 6,472.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.