Home / 20,219.27-27,901.71-11,267.75

Finding the Fourth Proportional to 20,219.27, 27,901.71 and 11,267.75

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Solution

The fourth proportional to 20,219.27, 27,901.71 and 11,267.75 is: 15,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.27 : 27,901.71 = 11,267.75 : x
  2. Step 2: Convert to fraction form
    20,219.27/27,901.71 = 11,267.75/x
  3. Step 3: Cross multiply
    20,219.27x = 27,901.71 × 11,267.75
  4. Step 4: Simplify right side
    20,219.27x = 314,389,492.85
  5. Step 5: Solve for x
    x = 314,389,492.85/20,219.27
  6. Step 6: Final answer
    x = 15,549.00

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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.