Home / 22,680.16-31,298.70-12,608.56

Finding the Fourth Proportional to 22,680.16, 31,298.70 and 12,608.56

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Solution

The fourth proportional to 22,680.16, 31,298.70 and 12,608.56 is: 17,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.16 : 31,298.70 = 12,608.56 : x
  2. Step 2: Convert to fraction form
    22,680.16/31,298.70 = 12,608.56/x
  3. Step 3: Cross multiply
    22,680.16x = 31,298.70 × 12,608.56
  4. Step 4: Simplify right side
    22,680.16x = 394,631,536.87
  5. Step 5: Solve for x
    x = 394,631,536.87/22,680.16
  6. Step 6: Final answer
    x = 17,399.86

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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.