Home / 11,903.34-17,898.76-11,422.20

Finding the Fourth Proportional to 11,903.34, 17,898.76 and 11,422.20

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Solution

The fourth proportional to 11,903.34, 17,898.76 and 11,422.20 is: 17,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.34 : 17,898.76 = 11,422.20 : x
  2. Step 2: Convert to fraction form
    11,903.34/17,898.76 = 11,422.20/x
  3. Step 3: Cross multiply
    11,903.34x = 17,898.76 × 11,422.20
  4. Step 4: Simplify right side
    11,903.34x = 204,443,216.47
  5. Step 5: Solve for x
    x = 204,443,216.47/11,903.34
  6. Step 6: Final answer
    x = 17,175.28

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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.