Home / 21,395.43-32,093.04-11,913.57

Finding the Fourth Proportional to 21,395.43, 32,093.04 and 11,913.57

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Solution

The fourth proportional to 21,395.43, 32,093.04 and 11,913.57 is: 17,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.43 : 32,093.04 = 11,913.57 : x
  2. Step 2: Convert to fraction form
    21,395.43/32,093.04 = 11,913.57/x
  3. Step 3: Cross multiply
    21,395.43x = 32,093.04 × 11,913.57
  4. Step 4: Simplify right side
    21,395.43x = 382,342,678.55
  5. Step 5: Solve for x
    x = 382,342,678.55/21,395.43
  6. Step 6: Final answer
    x = 17,870.30

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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.