Home / 12,142.50-16,753.77-6,836.26

Finding the Fourth Proportional to 12,142.50, 16,753.77 and 6,836.26

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Solution

The fourth proportional to 12,142.50, 16,753.77 and 6,836.26 is: 9,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.50 : 16,753.77 = 6,836.26 : x
  2. Step 2: Convert to fraction form
    12,142.50/16,753.77 = 6,836.26/x
  3. Step 3: Cross multiply
    12,142.50x = 16,753.77 × 6,836.26
  4. Step 4: Simplify right side
    12,142.50x = 114,533,127.70
  5. Step 5: Solve for x
    x = 114,533,127.70/12,142.50
  6. Step 6: Final answer
    x = 9,432.42

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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.