Home / 22,422.63-30,943.23-12,996.66

Finding the Fourth Proportional to 22,422.63, 30,943.23 and 12,996.66

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Solution

The fourth proportional to 22,422.63, 30,943.23 and 12,996.66 is: 17,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.63 : 30,943.23 = 12,996.66 : x
  2. Step 2: Convert to fraction form
    22,422.63/30,943.23 = 12,996.66/x
  3. Step 3: Cross multiply
    22,422.63x = 30,943.23 × 12,996.66
  4. Step 4: Simplify right side
    22,422.63x = 402,158,639.61
  5. Step 5: Solve for x
    x = 402,158,639.61/22,422.63
  6. Step 6: Final answer
    x = 17,935.39

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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.