Home / 13,251.02-18,286.43-7,282.60

Finding the Fourth Proportional to 13,251.02, 18,286.43 and 7,282.60

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Solution

The fourth proportional to 13,251.02, 18,286.43 and 7,282.60 is: 10,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.02 : 18,286.43 = 7,282.60 : x
  2. Step 2: Convert to fraction form
    13,251.02/18,286.43 = 7,282.60/x
  3. Step 3: Cross multiply
    13,251.02x = 18,286.43 × 7,282.60
  4. Step 4: Simplify right side
    13,251.02x = 133,172,755.12
  5. Step 5: Solve for x
    x = 133,172,755.12/13,251.02
  6. Step 6: Final answer
    x = 10,050.00

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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.