Home / 20,218.52-27,894.98-11,264.30

Finding the Fourth Proportional to 20,218.52, 27,894.98 and 11,264.30

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Solution

The fourth proportional to 20,218.52, 27,894.98 and 11,264.30 is: 15,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.52 : 27,894.98 = 11,264.30 : x
  2. Step 2: Convert to fraction form
    20,218.52/27,894.98 = 11,264.30/x
  3. Step 3: Cross multiply
    20,218.52x = 27,894.98 × 11,264.30
  4. Step 4: Simplify right side
    20,218.52x = 314,217,423.21
  5. Step 5: Solve for x
    x = 314,217,423.21/20,218.52
  6. Step 6: Final answer
    x = 15,541.07

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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.