Home / 15,511.73-21,399.26-10,474.34

Finding the Fourth Proportional to 15,511.73, 21,399.26 and 10,474.34

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Solution

The fourth proportional to 15,511.73, 21,399.26 and 10,474.34 is: 14,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.73 : 21,399.26 = 10,474.34 : x
  2. Step 2: Convert to fraction form
    15,511.73/21,399.26 = 10,474.34/x
  3. Step 3: Cross multiply
    15,511.73x = 21,399.26 × 10,474.34
  4. Step 4: Simplify right side
    15,511.73x = 224,142,965.62
  5. Step 5: Solve for x
    x = 224,142,965.62/15,511.73
  6. Step 6: Final answer
    x = 14,449.91

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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.