Home / 16,215.72-24,316.56-6,859.92

Finding the Fourth Proportional to 16,215.72, 24,316.56 and 6,859.92

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Solution

The fourth proportional to 16,215.72, 24,316.56 and 6,859.92 is: 10,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.72 : 24,316.56 = 6,859.92 : x
  2. Step 2: Convert to fraction form
    16,215.72/24,316.56 = 6,859.92/x
  3. Step 3: Cross multiply
    16,215.72x = 24,316.56 × 6,859.92
  4. Step 4: Simplify right side
    16,215.72x = 166,809,656.28
  5. Step 5: Solve for x
    x = 166,809,656.28/16,215.72
  6. Step 6: Final answer
    x = 10,286.91

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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.