Home / 11,521.17-17,284.32-3,729.51

Finding the Fourth Proportional to 11,521.17, 17,284.32 and 3,729.51

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Solution

The fourth proportional to 11,521.17, 17,284.32 and 3,729.51 is: 5,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.17 : 17,284.32 = 3,729.51 : x
  2. Step 2: Convert to fraction form
    11,521.17/17,284.32 = 3,729.51/x
  3. Step 3: Cross multiply
    11,521.17x = 17,284.32 × 3,729.51
  4. Step 4: Simplify right side
    11,521.17x = 64,462,044.28
  5. Step 5: Solve for x
    x = 64,462,044.28/11,521.17
  6. Step 6: Final answer
    x = 5,595.10

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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.