Home / 22,197.48-30,634.57-12,637.78

Finding the Fourth Proportional to 22,197.48, 30,634.57 and 12,637.78

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Solution

The fourth proportional to 22,197.48, 30,634.57 and 12,637.78 is: 17,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.48 : 30,634.57 = 12,637.78 : x
  2. Step 2: Convert to fraction form
    22,197.48/30,634.57 = 12,637.78/x
  3. Step 3: Cross multiply
    22,197.48x = 30,634.57 × 12,637.78
  4. Step 4: Simplify right side
    22,197.48x = 387,153,137.32
  5. Step 5: Solve for x
    x = 387,153,137.32/22,197.48
  6. Step 6: Final answer
    x = 17,441.31

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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.