Home / 21,016.32-31,524.39-6,225.33

Finding the Fourth Proportional to 21,016.32, 31,524.39 and 6,225.33

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Solution

The fourth proportional to 21,016.32, 31,524.39 and 6,225.33 is: 9,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.32 : 31,524.39 = 6,225.33 : x
  2. Step 2: Convert to fraction form
    21,016.32/31,524.39 = 6,225.33/x
  3. Step 3: Cross multiply
    21,016.32x = 31,524.39 × 6,225.33
  4. Step 4: Simplify right side
    21,016.32x = 196,249,730.80
  5. Step 5: Solve for x
    x = 196,249,730.80/21,016.32
  6. Step 6: Final answer
    x = 9,337.97

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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.