Home / 22,608.45-31,199.07-12,536.87

Finding the Fourth Proportional to 22,608.45, 31,199.07 and 12,536.87

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Solution

The fourth proportional to 22,608.45, 31,199.07 and 12,536.87 is: 17,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.45 : 31,199.07 = 12,536.87 : x
  2. Step 2: Convert to fraction form
    22,608.45/31,199.07 = 12,536.87/x
  3. Step 3: Cross multiply
    22,608.45x = 31,199.07 × 12,536.87
  4. Step 4: Simplify right side
    22,608.45x = 391,138,528.72
  5. Step 5: Solve for x
    x = 391,138,528.72/22,608.45
  6. Step 6: Final answer
    x = 17,300.55

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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.