Home / 22,053.08-30,433.29-11,981.44

Finding the Fourth Proportional to 22,053.08, 30,433.29 and 11,981.44

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Solution

The fourth proportional to 22,053.08, 30,433.29 and 11,981.44 is: 16,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.08 : 30,433.29 = 11,981.44 : x
  2. Step 2: Convert to fraction form
    22,053.08/30,433.29 = 11,981.44/x
  3. Step 3: Cross multiply
    22,053.08x = 30,433.29 × 11,981.44
  4. Step 4: Simplify right side
    22,053.08x = 364,634,638.14
  5. Step 5: Solve for x
    x = 364,634,638.14/22,053.08
  6. Step 6: Final answer
    x = 16,534.41

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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.