Home / 13,954.41-20,913.82-6,542.53

Finding the Fourth Proportional to 13,954.41, 20,913.82 and 6,542.53

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Solution

The fourth proportional to 13,954.41, 20,913.82 and 6,542.53 is: 9,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.41 : 20,913.82 = 6,542.53 : x
  2. Step 2: Convert to fraction form
    13,954.41/20,913.82 = 6,542.53/x
  3. Step 3: Cross multiply
    13,954.41x = 20,913.82 × 6,542.53
  4. Step 4: Simplify right side
    13,954.41x = 136,829,226.12
  5. Step 5: Solve for x
    x = 136,829,226.12/13,954.41
  6. Step 6: Final answer
    x = 9,805.45

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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.