Home / 15,483.36-21,375.90-10,193.56

Finding the Fourth Proportional to 15,483.36, 21,375.90 and 10,193.56

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Solution

The fourth proportional to 15,483.36, 21,375.90 and 10,193.56 is: 14,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.36 : 21,375.90 = 10,193.56 : x
  2. Step 2: Convert to fraction form
    15,483.36/21,375.90 = 10,193.56/x
  3. Step 3: Cross multiply
    15,483.36x = 21,375.90 × 10,193.56
  4. Step 4: Simplify right side
    15,483.36x = 217,896,519.20
  5. Step 5: Solve for x
    x = 217,896,519.20/15,483.36
  6. Step 6: Final answer
    x = 14,072.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.