Home / 11,537.64-17,187.39-10,820.52

Finding the Fourth Proportional to 11,537.64, 17,187.39 and 10,820.52

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Solution

The fourth proportional to 11,537.64, 17,187.39 and 10,820.52 is: 16,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.64 : 17,187.39 = 10,820.52 : x
  2. Step 2: Convert to fraction form
    11,537.64/17,187.39 = 10,820.52/x
  3. Step 3: Cross multiply
    11,537.64x = 17,187.39 × 10,820.52
  4. Step 4: Simplify right side
    11,537.64x = 185,976,497.24
  5. Step 5: Solve for x
    x = 185,976,497.24/11,537.64
  6. Step 6: Final answer
    x = 16,119.11

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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.