Home / 13,655.82-20,488.67-4,772.46

Finding the Fourth Proportional to 13,655.82, 20,488.67 and 4,772.46

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Solution

The fourth proportional to 13,655.82, 20,488.67 and 4,772.46 is: 7,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.82 : 20,488.67 = 4,772.46 : x
  2. Step 2: Convert to fraction form
    13,655.82/20,488.67 = 4,772.46/x
  3. Step 3: Cross multiply
    13,655.82x = 20,488.67 × 4,772.46
  4. Step 4: Simplify right side
    13,655.82x = 97,781,358.03
  5. Step 5: Solve for x
    x = 97,781,358.03/13,655.82
  6. Step 6: Final answer
    x = 7,160.42

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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.