Home / 11,725.27-16,180.51-6,419.77

Finding the Fourth Proportional to 11,725.27, 16,180.51 and 6,419.77

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Solution

The fourth proportional to 11,725.27, 16,180.51 and 6,419.77 is: 8,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.27 : 16,180.51 = 6,419.77 : x
  2. Step 2: Convert to fraction form
    11,725.27/16,180.51 = 6,419.77/x
  3. Step 3: Cross multiply
    11,725.27x = 16,180.51 × 6,419.77
  4. Step 4: Simplify right side
    11,725.27x = 103,875,152.68
  5. Step 5: Solve for x
    x = 103,875,152.68/11,725.27
  6. Step 6: Final answer
    x = 8,859.08

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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.