Home / 11,638.17-17,367.32-10,392.21

Finding the Fourth Proportional to 11,638.17, 17,367.32 and 10,392.21

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Solution

The fourth proportional to 11,638.17, 17,367.32 and 10,392.21 is: 15,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.17 : 17,367.32 = 10,392.21 : x
  2. Step 2: Convert to fraction form
    11,638.17/17,367.32 = 10,392.21/x
  3. Step 3: Cross multiply
    11,638.17x = 17,367.32 × 10,392.21
  4. Step 4: Simplify right side
    11,638.17x = 180,484,862.56
  5. Step 5: Solve for x
    x = 180,484,862.56/11,638.17
  6. Step 6: Final answer
    x = 15,508.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.