Home / 14,821.31-20,460.84-11,456.52

Finding the Fourth Proportional to 14,821.31, 20,460.84 and 11,456.52

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Solution

The fourth proportional to 14,821.31, 20,460.84 and 11,456.52 is: 15,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.31 : 20,460.84 = 11,456.52 : x
  2. Step 2: Convert to fraction form
    14,821.31/20,460.84 = 11,456.52/x
  3. Step 3: Cross multiply
    14,821.31x = 20,460.84 × 11,456.52
  4. Step 4: Simplify right side
    14,821.31x = 234,410,022.68
  5. Step 5: Solve for x
    x = 234,410,022.68/14,821.31
  6. Step 6: Final answer
    x = 15,815.74

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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.