Home / 22,060.32-30,443.76-11,989.32

Finding the Fourth Proportional to 22,060.32, 30,443.76 and 11,989.32

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Solution

The fourth proportional to 22,060.32, 30,443.76 and 11,989.32 is: 16,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.32 : 30,443.76 = 11,989.32 : x
  2. Step 2: Convert to fraction form
    22,060.32/30,443.76 = 11,989.32/x
  3. Step 3: Cross multiply
    22,060.32x = 30,443.76 × 11,989.32
  4. Step 4: Simplify right side
    22,060.32x = 364,999,980.64
  5. Step 5: Solve for x
    x = 364,999,980.64/22,060.32
  6. Step 6: Final answer
    x = 16,545.54

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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.