Home / 22,601.73-31,191.84-12,530.61

Finding the Fourth Proportional to 22,601.73, 31,191.84 and 12,530.61

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Solution

The fourth proportional to 22,601.73, 31,191.84 and 12,530.61 is: 17,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.73 : 31,191.84 = 12,530.61 : x
  2. Step 2: Convert to fraction form
    22,601.73/31,191.84 = 12,530.61/x
  3. Step 3: Cross multiply
    22,601.73x = 31,191.84 × 12,530.61
  4. Step 4: Simplify right side
    22,601.73x = 390,852,782.22
  5. Step 5: Solve for x
    x = 390,852,782.22/22,601.73
  6. Step 6: Final answer
    x = 17,293.05

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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.