Home / 12,933.02-17,850.40-8,216.40

Finding the Fourth Proportional to 12,933.02, 17,850.40 and 8,216.40

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Solution

The fourth proportional to 12,933.02, 17,850.40 and 8,216.40 is: 11,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.02 : 17,850.40 = 8,216.40 : x
  2. Step 2: Convert to fraction form
    12,933.02/17,850.40 = 8,216.40/x
  3. Step 3: Cross multiply
    12,933.02x = 17,850.40 × 8,216.40
  4. Step 4: Simplify right side
    12,933.02x = 146,666,026.56
  5. Step 5: Solve for x
    x = 146,666,026.56/12,933.02
  6. Step 6: Final answer
    x = 11,340.43

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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.