Home / 18,238.60-27,346.95-7,132.05

Finding the Fourth Proportional to 18,238.60, 27,346.95 and 7,132.05

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Solution

The fourth proportional to 18,238.60, 27,346.95 and 7,132.05 is: 10,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.60 : 27,346.95 = 7,132.05 : x
  2. Step 2: Convert to fraction form
    18,238.60/27,346.95 = 7,132.05/x
  3. Step 3: Cross multiply
    18,238.60x = 27,346.95 × 7,132.05
  4. Step 4: Simplify right side
    18,238.60x = 195,039,814.75
  5. Step 5: Solve for x
    x = 195,039,814.75/18,238.60
  6. Step 6: Final answer
    x = 10,693.79

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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.