Home / 11,153.90-16,726.59-3,756.38

Finding the Fourth Proportional to 11,153.90, 16,726.59 and 3,756.38

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Solution

The fourth proportional to 11,153.90, 16,726.59 and 3,756.38 is: 5,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.90 : 16,726.59 = 3,756.38 : x
  2. Step 2: Convert to fraction form
    11,153.90/16,726.59 = 3,756.38/x
  3. Step 3: Cross multiply
    11,153.90x = 16,726.59 × 3,756.38
  4. Step 4: Simplify right side
    11,153.90x = 62,831,344.51
  5. Step 5: Solve for x
    x = 62,831,344.51/11,153.90
  6. Step 6: Final answer
    x = 5,633.13

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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.