Home / 13,661.51-20,488.22-5,868.50

Finding the Fourth Proportional to 13,661.51, 20,488.22 and 5,868.50

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Solution

The fourth proportional to 13,661.51, 20,488.22 and 5,868.50 is: 8,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.51 : 20,488.22 = 5,868.50 : x
  2. Step 2: Convert to fraction form
    13,661.51/20,488.22 = 5,868.50/x
  3. Step 3: Cross multiply
    13,661.51x = 20,488.22 × 5,868.50
  4. Step 4: Simplify right side
    13,661.51x = 120,235,089.73
  5. Step 5: Solve for x
    x = 120,235,089.73/13,661.51
  6. Step 6: Final answer
    x = 8,801.01

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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.