Home / 13,423.82-20,045.32-10,963.52

Finding the Fourth Proportional to 13,423.82, 20,045.32 and 10,963.52

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Solution

The fourth proportional to 13,423.82, 20,045.32 and 10,963.52 is: 16,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.82 : 20,045.32 = 10,963.52 : x
  2. Step 2: Convert to fraction form
    13,423.82/20,045.32 = 10,963.52/x
  3. Step 3: Cross multiply
    13,423.82x = 20,045.32 × 10,963.52
  4. Step 4: Simplify right side
    13,423.82x = 219,767,266.73
  5. Step 5: Solve for x
    x = 219,767,266.73/13,423.82
  6. Step 6: Final answer
    x = 16,371.44

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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.