Home / 20,291.51-30,440.16-6,252.68

Finding the Fourth Proportional to 20,291.51, 30,440.16 and 6,252.68

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Solution

The fourth proportional to 20,291.51, 30,440.16 and 6,252.68 is: 9,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.51 : 30,440.16 = 6,252.68 : x
  2. Step 2: Convert to fraction form
    20,291.51/30,440.16 = 6,252.68/x
  3. Step 3: Cross multiply
    20,291.51x = 30,440.16 × 6,252.68
  4. Step 4: Simplify right side
    20,291.51x = 190,332,655.73
  5. Step 5: Solve for x
    x = 190,332,655.73/20,291.51
  6. Step 6: Final answer
    x = 9,379.91

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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.