Home / 20,211.19-30,291.47-10,827.95

Finding the Fourth Proportional to 20,211.19, 30,291.47 and 10,827.95

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Solution

The fourth proportional to 20,211.19, 30,291.47 and 10,827.95 is: 16,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.19 : 30,291.47 = 10,827.95 : x
  2. Step 2: Convert to fraction form
    20,211.19/30,291.47 = 10,827.95/x
  3. Step 3: Cross multiply
    20,211.19x = 30,291.47 × 10,827.95
  4. Step 4: Simplify right side
    20,211.19x = 327,994,357.59
  5. Step 5: Solve for x
    x = 327,994,357.59/20,211.19
  6. Step 6: Final answer
    x = 16,228.36

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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.