Home / 22,002.06-30,362.70-11,930.40

Finding the Fourth Proportional to 22,002.06, 30,362.70 and 11,930.40

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Solution

The fourth proportional to 22,002.06, 30,362.70 and 11,930.40 is: 16,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.06 : 30,362.70 = 11,930.40 : x
  2. Step 2: Convert to fraction form
    22,002.06/30,362.70 = 11,930.40/x
  3. Step 3: Cross multiply
    22,002.06x = 30,362.70 × 11,930.40
  4. Step 4: Simplify right side
    22,002.06x = 362,239,156.08
  5. Step 5: Solve for x
    x = 362,239,156.08/22,002.06
  6. Step 6: Final answer
    x = 16,463.87

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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.