Home / 20,087.01-27,718.76-12,133.62

Finding the Fourth Proportional to 20,087.01, 27,718.76 and 12,133.62

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Solution

The fourth proportional to 20,087.01, 27,718.76 and 12,133.62 is: 16,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.01 : 27,718.76 = 12,133.62 : x
  2. Step 2: Convert to fraction form
    20,087.01/27,718.76 = 12,133.62/x
  3. Step 3: Cross multiply
    20,087.01x = 27,718.76 × 12,133.62
  4. Step 4: Simplify right side
    20,087.01x = 336,328,840.04
  5. Step 5: Solve for x
    x = 336,328,840.04/20,087.01
  6. Step 6: Final answer
    x = 16,743.60

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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.