Home / 22,048.61-30,427.17-11,977.22

Finding the Fourth Proportional to 22,048.61, 30,427.17 and 11,977.22

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Solution

The fourth proportional to 22,048.61, 30,427.17 and 11,977.22 is: 16,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.61 : 30,427.17 = 11,977.22 : x
  2. Step 2: Convert to fraction form
    22,048.61/30,427.17 = 11,977.22/x
  3. Step 3: Cross multiply
    22,048.61x = 30,427.17 × 11,977.22
  4. Step 4: Simplify right side
    22,048.61x = 364,432,756.93
  5. Step 5: Solve for x
    x = 364,432,756.93/22,048.61
  6. Step 6: Final answer
    x = 16,528.61

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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.