Home / 22,002.10-30,362.92-11,930.51

Finding the Fourth Proportional to 22,002.10, 30,362.92 and 11,930.51

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Solution

The fourth proportional to 22,002.10, 30,362.92 and 11,930.51 is: 16,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.10 : 30,362.92 = 11,930.51 : x
  2. Step 2: Convert to fraction form
    22,002.10/30,362.92 = 11,930.51/x
  3. Step 3: Cross multiply
    22,002.10x = 30,362.92 × 11,930.51
  4. Step 4: Simplify right side
    22,002.10x = 362,245,166.77
  5. Step 5: Solve for x
    x = 362,245,166.77/22,002.10
  6. Step 6: Final answer
    x = 16,464.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.