Home / 22,054.68-30,439.80-12,629.52

Finding the Fourth Proportional to 22,054.68, 30,439.80 and 12,629.52

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Solution

The fourth proportional to 22,054.68, 30,439.80 and 12,629.52 is: 17,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.68 : 30,439.80 = 12,629.52 : x
  2. Step 2: Convert to fraction form
    22,054.68/30,439.80 = 12,629.52/x
  3. Step 3: Cross multiply
    22,054.68x = 30,439.80 × 12,629.52
  4. Step 4: Simplify right side
    22,054.68x = 384,440,062.90
  5. Step 5: Solve for x
    x = 384,440,062.90/22,054.68
  6. Step 6: Final answer
    x = 17,431.22

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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.