Home / 22,206.93-30,642.17-12,647.22

Finding the Fourth Proportional to 22,206.93, 30,642.17 and 12,647.22

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Solution

The fourth proportional to 22,206.93, 30,642.17 and 12,647.22 is: 17,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.93 : 30,642.17 = 12,647.22 : x
  2. Step 2: Convert to fraction form
    22,206.93/30,642.17 = 12,647.22/x
  3. Step 3: Cross multiply
    22,206.93x = 30,642.17 × 12,647.22
  4. Step 4: Simplify right side
    22,206.93x = 387,538,202.03
  5. Step 5: Solve for x
    x = 387,538,202.03/22,206.93
  6. Step 6: Final answer
    x = 17,451.23

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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.