Home / 11,243.34-16,857.99-5,398.74

Finding the Fourth Proportional to 11,243.34, 16,857.99 and 5,398.74

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Solution

The fourth proportional to 11,243.34, 16,857.99 and 5,398.74 is: 8,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.34 : 16,857.99 = 5,398.74 : x
  2. Step 2: Convert to fraction form
    11,243.34/16,857.99 = 5,398.74/x
  3. Step 3: Cross multiply
    11,243.34x = 16,857.99 × 5,398.74
  4. Step 4: Simplify right side
    11,243.34x = 91,011,904.93
  5. Step 5: Solve for x
    x = 91,011,904.93/11,243.34
  6. Step 6: Final answer
    x = 8,094.74

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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.