Home / 16,914.24-25,400.40-10,378.80

Finding the Fourth Proportional to 16,914.24, 25,400.40 and 10,378.80

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Solution

The fourth proportional to 16,914.24, 25,400.40 and 10,378.80 is: 15,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.24 : 25,400.40 = 10,378.80 : x
  2. Step 2: Convert to fraction form
    16,914.24/25,400.40 = 10,378.80/x
  3. Step 3: Cross multiply
    16,914.24x = 25,400.40 × 10,378.80
  4. Step 4: Simplify right side
    16,914.24x = 263,625,671.52
  5. Step 5: Solve for x
    x = 263,625,671.52/16,914.24
  6. Step 6: Final answer
    x = 15,586.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.