Home / 22,275.26-30,739.47-12,203.90

Finding the Fourth Proportional to 22,275.26, 30,739.47 and 12,203.90

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Solution

The fourth proportional to 22,275.26, 30,739.47 and 12,203.90 is: 16,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.26 : 30,739.47 = 12,203.90 : x
  2. Step 2: Convert to fraction form
    22,275.26/30,739.47 = 12,203.90/x
  3. Step 3: Cross multiply
    22,275.26x = 30,739.47 × 12,203.90
  4. Step 4: Simplify right side
    22,275.26x = 375,141,417.93
  5. Step 5: Solve for x
    x = 375,141,417.93/22,275.26
  6. Step 6: Final answer
    x = 16,841.17

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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.