Home / 18,236.28-27,359.04-5,088.64

Finding the Fourth Proportional to 18,236.28, 27,359.04 and 5,088.64

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Solution

The fourth proportional to 18,236.28, 27,359.04 and 5,088.64 is: 7,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.28 : 27,359.04 = 5,088.64 : x
  2. Step 2: Convert to fraction form
    18,236.28/27,359.04 = 5,088.64/x
  3. Step 3: Cross multiply
    18,236.28x = 27,359.04 × 5,088.64
  4. Step 4: Simplify right side
    18,236.28x = 139,220,305.31
  5. Step 5: Solve for x
    x = 139,220,305.31/18,236.28
  6. Step 6: Final answer
    x = 7,634.25

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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.