Home / 18,426.60-27,630.09-7,327.56

Finding the Fourth Proportional to 18,426.60, 27,630.09 and 7,327.56

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Solution

The fourth proportional to 18,426.60, 27,630.09 and 7,327.56 is: 10,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.60 : 27,630.09 = 7,327.56 : x
  2. Step 2: Convert to fraction form
    18,426.60/27,630.09 = 7,327.56/x
  3. Step 3: Cross multiply
    18,426.60x = 27,630.09 × 7,327.56
  4. Step 4: Simplify right side
    18,426.60x = 202,461,142.28
  5. Step 5: Solve for x
    x = 202,461,142.28/18,426.60
  6. Step 6: Final answer
    x = 10,987.44

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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.