Home / 13,797.73-20,680.39-6,386.53

Finding the Fourth Proportional to 13,797.73, 20,680.39 and 6,386.53

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Solution

The fourth proportional to 13,797.73, 20,680.39 and 6,386.53 is: 9,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.73 : 20,680.39 = 6,386.53 : x
  2. Step 2: Convert to fraction form
    13,797.73/20,680.39 = 6,386.53/x
  3. Step 3: Cross multiply
    13,797.73x = 20,680.39 × 6,386.53
  4. Step 4: Simplify right side
    13,797.73x = 132,075,931.15
  5. Step 5: Solve for x
    x = 132,075,931.15/13,797.73
  6. Step 6: Final answer
    x = 9,572.29

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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.