Home / 20,946.66-31,424.39-6,154.33

Finding the Fourth Proportional to 20,946.66, 31,424.39 and 6,154.33

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Solution

The fourth proportional to 20,946.66, 31,424.39 and 6,154.33 is: 9,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.66 : 31,424.39 = 6,154.33 : x
  2. Step 2: Convert to fraction form
    20,946.66/31,424.39 = 6,154.33/x
  3. Step 3: Cross multiply
    20,946.66x = 31,424.39 × 6,154.33
  4. Step 4: Simplify right side
    20,946.66x = 193,396,066.11
  5. Step 5: Solve for x
    x = 193,396,066.11/20,946.66
  6. Step 6: Final answer
    x = 9,232.79

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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.