Home / 20,187.17-30,277.17-6,143.79

Finding the Fourth Proportional to 20,187.17, 30,277.17 and 6,143.79

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Solution

The fourth proportional to 20,187.17, 30,277.17 and 6,143.79 is: 9,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.17 : 30,277.17 = 6,143.79 : x
  2. Step 2: Convert to fraction form
    20,187.17/30,277.17 = 6,143.79/x
  3. Step 3: Cross multiply
    20,187.17x = 30,277.17 × 6,143.79
  4. Step 4: Simplify right side
    20,187.17x = 186,016,574.27
  5. Step 5: Solve for x
    x = 186,016,574.27/20,187.17
  6. Step 6: Final answer
    x = 9,214.60

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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.