Home / 11,267.42-15,543.87-7,289.83

Finding the Fourth Proportional to 11,267.42, 15,543.87 and 7,289.83

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Solution

The fourth proportional to 11,267.42, 15,543.87 and 7,289.83 is: 10,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.42 : 15,543.87 = 7,289.83 : x
  2. Step 2: Convert to fraction form
    11,267.42/15,543.87 = 7,289.83/x
  3. Step 3: Cross multiply
    11,267.42x = 15,543.87 × 7,289.83
  4. Step 4: Simplify right side
    11,267.42x = 113,312,092.12
  5. Step 5: Solve for x
    x = 113,312,092.12/11,267.42
  6. Step 6: Final answer
    x = 10,056.61

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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.