Home / 22,000.68-30,360.83-11,929.34

Finding the Fourth Proportional to 22,000.68, 30,360.83 and 11,929.34

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Solution

The fourth proportional to 22,000.68, 30,360.83 and 11,929.34 is: 16,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.68 : 30,360.83 = 11,929.34 : x
  2. Step 2: Convert to fraction form
    22,000.68/30,360.83 = 11,929.34/x
  3. Step 3: Cross multiply
    22,000.68x = 30,360.83 × 11,929.34
  4. Step 4: Simplify right side
    22,000.68x = 362,184,680.01
  5. Step 5: Solve for x
    x = 362,184,680.01/22,000.68
  6. Step 6: Final answer
    x = 16,462.43

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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.