Home / 20,186.08-27,854.28-11,232.95

Finding the Fourth Proportional to 20,186.08, 27,854.28 and 11,232.95

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Solution

The fourth proportional to 20,186.08, 27,854.28 and 11,232.95 is: 15,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.08 : 27,854.28 = 11,232.95 : x
  2. Step 2: Convert to fraction form
    20,186.08/27,854.28 = 11,232.95/x
  3. Step 3: Cross multiply
    20,186.08x = 27,854.28 × 11,232.95
  4. Step 4: Simplify right side
    20,186.08x = 312,885,595.25
  5. Step 5: Solve for x
    x = 312,885,595.25/20,186.08
  6. Step 6: Final answer
    x = 15,500.07

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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.