Home / 15,673.99-21,608.75-11,189.95

Finding the Fourth Proportional to 15,673.99, 21,608.75 and 11,189.95

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Solution

The fourth proportional to 15,673.99, 21,608.75 and 11,189.95 is: 15,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.99 : 21,608.75 = 11,189.95 : x
  2. Step 2: Convert to fraction form
    15,673.99/21,608.75 = 11,189.95/x
  3. Step 3: Cross multiply
    15,673.99x = 21,608.75 × 11,189.95
  4. Step 4: Simplify right side
    15,673.99x = 241,800,832.06
  5. Step 5: Solve for x
    x = 241,800,832.06/15,673.99
  6. Step 6: Final answer
    x = 15,426.88

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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.