Home / 13,269.69-19,912.29-4,955.43

Finding the Fourth Proportional to 13,269.69, 19,912.29 and 4,955.43

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Solution

The fourth proportional to 13,269.69, 19,912.29 and 4,955.43 is: 7,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.69 : 19,912.29 = 4,955.43 : x
  2. Step 2: Convert to fraction form
    13,269.69/19,912.29 = 4,955.43/x
  3. Step 3: Cross multiply
    13,269.69x = 19,912.29 × 4,955.43
  4. Step 4: Simplify right side
    13,269.69x = 98,673,959.23
  5. Step 5: Solve for x
    x = 98,673,959.23/13,269.69
  6. Step 6: Final answer
    x = 7,436.04

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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.