Home / 12,933.20-17,845.02-8,463.50

Finding the Fourth Proportional to 12,933.20, 17,845.02 and 8,463.50

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Solution

The fourth proportional to 12,933.20, 17,845.02 and 8,463.50 is: 11,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.20 : 17,845.02 = 8,463.50 : x
  2. Step 2: Convert to fraction form
    12,933.20/17,845.02 = 8,463.50/x
  3. Step 3: Cross multiply
    12,933.20x = 17,845.02 × 8,463.50
  4. Step 4: Simplify right side
    12,933.20x = 151,031,326.77
  5. Step 5: Solve for x
    x = 151,031,326.77/12,933.20
  6. Step 6: Final answer
    x = 11,677.80

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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.