Home / 22,134.60-30,545.64-12,702.96

Finding the Fourth Proportional to 22,134.60, 30,545.64 and 12,702.96

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Solution

The fourth proportional to 22,134.60, 30,545.64 and 12,702.96 is: 17,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.60 : 30,545.64 = 12,702.96 : x
  2. Step 2: Convert to fraction form
    22,134.60/30,545.64 = 12,702.96/x
  3. Step 3: Cross multiply
    22,134.60x = 30,545.64 × 12,702.96
  4. Step 4: Simplify right side
    22,134.60x = 388,020,043.09
  5. Step 5: Solve for x
    x = 388,020,043.09/22,134.60
  6. Step 6: Final answer
    x = 17,530.02

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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.