Home / 22,694.14-31,316.10-12,621.79

Finding the Fourth Proportional to 22,694.14, 31,316.10 and 12,621.79

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Solution

The fourth proportional to 22,694.14, 31,316.10 and 12,621.79 is: 17,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.14 : 31,316.10 = 12,621.79 : x
  2. Step 2: Convert to fraction form
    22,694.14/31,316.10 = 12,621.79/x
  3. Step 3: Cross multiply
    22,694.14x = 31,316.10 × 12,621.79
  4. Step 4: Simplify right side
    22,694.14x = 395,265,237.82
  5. Step 5: Solve for x
    x = 395,265,237.82/22,694.14
  6. Step 6: Final answer
    x = 17,417.06

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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.