Home / 22,133.30-30,543.42-12,062.02

Finding the Fourth Proportional to 22,133.30, 30,543.42 and 12,062.02

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Solution

The fourth proportional to 22,133.30, 30,543.42 and 12,062.02 is: 16,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.30 : 30,543.42 = 12,062.02 : x
  2. Step 2: Convert to fraction form
    22,133.30/30,543.42 = 12,062.02/x
  3. Step 3: Cross multiply
    22,133.30x = 30,543.42 × 12,062.02
  4. Step 4: Simplify right side
    22,133.30x = 368,415,342.91
  5. Step 5: Solve for x
    x = 368,415,342.91/22,133.30
  6. Step 6: Final answer
    x = 16,645.30

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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.