Home / 12,617.44-18,909.54-5,589.06

Finding the Fourth Proportional to 12,617.44, 18,909.54 and 5,589.06

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Solution

The fourth proportional to 12,617.44, 18,909.54 and 5,589.06 is: 8,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.44 : 18,909.54 = 5,589.06 : x
  2. Step 2: Convert to fraction form
    12,617.44/18,909.54 = 5,589.06/x
  3. Step 3: Cross multiply
    12,617.44x = 18,909.54 × 5,589.06
  4. Step 4: Simplify right side
    12,617.44x = 105,686,553.63
  5. Step 5: Solve for x
    x = 105,686,553.63/12,617.44
  6. Step 6: Final answer
    x = 8,376.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.