Home / 12,249.20-16,889.04-10,357.36

Finding the Fourth Proportional to 12,249.20, 16,889.04 and 10,357.36

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Solution

The fourth proportional to 12,249.20, 16,889.04 and 10,357.36 is: 14,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.20 : 16,889.04 = 10,357.36 : x
  2. Step 2: Convert to fraction form
    12,249.20/16,889.04 = 10,357.36/x
  3. Step 3: Cross multiply
    12,249.20x = 16,889.04 × 10,357.36
  4. Step 4: Simplify right side
    12,249.20x = 174,925,867.33
  5. Step 5: Solve for x
    x = 174,925,867.33/12,249.20
  6. Step 6: Final answer
    x = 14,280.60

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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.