Home / 15,682.01-21,624.57-11,204.12

Finding the Fourth Proportional to 15,682.01, 21,624.57 and 11,204.12

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Solution

The fourth proportional to 15,682.01, 21,624.57 and 11,204.12 is: 15,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.01 : 21,624.57 = 11,204.12 : x
  2. Step 2: Convert to fraction form
    15,682.01/21,624.57 = 11,204.12/x
  3. Step 3: Cross multiply
    15,682.01x = 21,624.57 × 11,204.12
  4. Step 4: Simplify right side
    15,682.01x = 242,284,331.29
  5. Step 5: Solve for x
    x = 242,284,331.29/15,682.01
  6. Step 6: Final answer
    x = 15,449.83

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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.