Home / 18,426.20-27,617.70-9,656.60

Finding the Fourth Proportional to 18,426.20, 27,617.70 and 9,656.60

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Solution

The fourth proportional to 18,426.20, 27,617.70 and 9,656.60 is: 14,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.20 : 27,617.70 = 9,656.60 : x
  2. Step 2: Convert to fraction form
    18,426.20/27,617.70 = 9,656.60/x
  3. Step 3: Cross multiply
    18,426.20x = 27,617.70 × 9,656.60
  4. Step 4: Simplify right side
    18,426.20x = 266,693,081.82
  5. Step 5: Solve for x
    x = 266,693,081.82/18,426.20
  6. Step 6: Final answer
    x = 14,473.58

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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.