Home / 20,204.57-27,881.32-11,706.27

Finding the Fourth Proportional to 20,204.57, 27,881.32 and 11,706.27

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Solution

The fourth proportional to 20,204.57, 27,881.32 and 11,706.27 is: 16,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.57 : 27,881.32 = 11,706.27 : x
  2. Step 2: Convert to fraction form
    20,204.57/27,881.32 = 11,706.27/x
  3. Step 3: Cross multiply
    20,204.57x = 27,881.32 × 11,706.27
  4. Step 4: Simplify right side
    20,204.57x = 326,386,259.88
  5. Step 5: Solve for x
    x = 326,386,259.88/20,204.57
  6. Step 6: Final answer
    x = 16,154.08

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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.