Home / 18,016.28-27,030.38-8,019.60

Finding the Fourth Proportional to 18,016.28, 27,030.38 and 8,019.60

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Solution

The fourth proportional to 18,016.28, 27,030.38 and 8,019.60 is: 12,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.28 : 27,030.38 = 8,019.60 : x
  2. Step 2: Convert to fraction form
    18,016.28/27,030.38 = 8,019.60/x
  3. Step 3: Cross multiply
    18,016.28x = 27,030.38 × 8,019.60
  4. Step 4: Simplify right side
    18,016.28x = 216,772,835.45
  5. Step 5: Solve for x
    x = 216,772,835.45/18,016.28
  6. Step 6: Final answer
    x = 12,032.05

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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.