Home / 23,013.11-34,491.39-11,913.47

Finding the Fourth Proportional to 23,013.11, 34,491.39 and 11,913.47

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Solution

The fourth proportional to 23,013.11, 34,491.39 and 11,913.47 is: 17,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.11 : 34,491.39 = 11,913.47 : x
  2. Step 2: Convert to fraction form
    23,013.11/34,491.39 = 11,913.47/x
  3. Step 3: Cross multiply
    23,013.11x = 34,491.39 × 11,913.47
  4. Step 4: Simplify right side
    23,013.11x = 410,911,967.57
  5. Step 5: Solve for x
    x = 410,911,967.57/23,013.11
  6. Step 6: Final answer
    x = 17,855.56

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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.