Home / 11,501.86-17,252.79-7,423.78

Finding the Fourth Proportional to 11,501.86, 17,252.79 and 7,423.78

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Solution

The fourth proportional to 11,501.86, 17,252.79 and 7,423.78 is: 11,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.86 : 17,252.79 = 7,423.78 : x
  2. Step 2: Convert to fraction form
    11,501.86/17,252.79 = 7,423.78/x
  3. Step 3: Cross multiply
    11,501.86x = 17,252.79 × 7,423.78
  4. Step 4: Simplify right side
    11,501.86x = 128,080,917.35
  5. Step 5: Solve for x
    x = 128,080,917.35/11,501.86
  6. Step 6: Final answer
    x = 11,135.67

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Similar ratio
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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.