Home / 22,152.26-30,570.61-12,590.64

Finding the Fourth Proportional to 22,152.26, 30,570.61 and 12,590.64

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Solution

The fourth proportional to 22,152.26, 30,570.61 and 12,590.64 is: 17,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.26 : 30,570.61 = 12,590.64 : x
  2. Step 2: Convert to fraction form
    22,152.26/30,570.61 = 12,590.64/x
  3. Step 3: Cross multiply
    22,152.26x = 30,570.61 × 12,590.64
  4. Step 4: Simplify right side
    22,152.26x = 384,903,545.09
  5. Step 5: Solve for x
    x = 384,903,545.09/22,152.26
  6. Step 6: Final answer
    x = 17,375.36

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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.