Home / 22,174.61-30,600.84-12,103.02

Finding the Fourth Proportional to 22,174.61, 30,600.84 and 12,103.02

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Solution

The fourth proportional to 22,174.61, 30,600.84 and 12,103.02 is: 16,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.61 : 30,600.84 = 12,103.02 : x
  2. Step 2: Convert to fraction form
    22,174.61/30,600.84 = 12,103.02/x
  3. Step 3: Cross multiply
    22,174.61x = 30,600.84 × 12,103.02
  4. Step 4: Simplify right side
    22,174.61x = 370,362,555.84
  5. Step 5: Solve for x
    x = 370,362,555.84/22,174.61
  6. Step 6: Final answer
    x = 16,702.10

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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.