Home / 16,246.53-22,420.26-9,172.80

Finding the Fourth Proportional to 16,246.53, 22,420.26 and 9,172.80

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Solution

The fourth proportional to 16,246.53, 22,420.26 and 9,172.80 is: 12,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.53 : 22,420.26 = 9,172.80 : x
  2. Step 2: Convert to fraction form
    16,246.53/22,420.26 = 9,172.80/x
  3. Step 3: Cross multiply
    16,246.53x = 22,420.26 × 9,172.80
  4. Step 4: Simplify right side
    16,246.53x = 205,656,560.93
  5. Step 5: Solve for x
    x = 205,656,560.93/16,246.53
  6. Step 6: Final answer
    x = 12,658.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.