Home / 13,456.19-20,184.39-5,133.97

Finding the Fourth Proportional to 13,456.19, 20,184.39 and 5,133.97

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Solution

The fourth proportional to 13,456.19, 20,184.39 and 5,133.97 is: 7,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.19 : 20,184.39 = 5,133.97 : x
  2. Step 2: Convert to fraction form
    13,456.19/20,184.39 = 5,133.97/x
  3. Step 3: Cross multiply
    13,456.19x = 20,184.39 × 5,133.97
  4. Step 4: Simplify right side
    13,456.19x = 103,626,077.96
  5. Step 5: Solve for x
    x = 103,626,077.96/13,456.19
  6. Step 6: Final answer
    x = 7,701.00

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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.