Home / 15,056.42-20,778.73-8,341.85

Finding the Fourth Proportional to 15,056.42, 20,778.73 and 8,341.85

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Solution

The fourth proportional to 15,056.42, 20,778.73 and 8,341.85 is: 11,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.42 : 20,778.73 = 8,341.85 : x
  2. Step 2: Convert to fraction form
    15,056.42/20,778.73 = 8,341.85/x
  3. Step 3: Cross multiply
    15,056.42x = 20,778.73 × 8,341.85
  4. Step 4: Simplify right side
    15,056.42x = 173,333,079.94
  5. Step 5: Solve for x
    x = 173,333,079.94/15,056.42
  6. Step 6: Final answer
    x = 11,512.24

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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.