Home / 16,884.99-23,285.73-15,543.56

Finding the Fourth Proportional to 16,884.99, 23,285.73 and 15,543.56

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Solution

The fourth proportional to 16,884.99, 23,285.73 and 15,543.56 is: 21,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.99 : 23,285.73 = 15,543.56 : x
  2. Step 2: Convert to fraction form
    16,884.99/23,285.73 = 15,543.56/x
  3. Step 3: Cross multiply
    16,884.99x = 23,285.73 × 15,543.56
  4. Step 4: Simplify right side
    16,884.99x = 361,943,170.47
  5. Step 5: Solve for x
    x = 361,943,170.47/16,884.99
  6. Step 6: Final answer
    x = 21,435.79

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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.