Home / 15,074.82-20,804.50-8,362.61

Finding the Fourth Proportional to 15,074.82, 20,804.50 and 8,362.61

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Solution

The fourth proportional to 15,074.82, 20,804.50 and 8,362.61 is: 11,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.82 : 20,804.50 = 8,362.61 : x
  2. Step 2: Convert to fraction form
    15,074.82/20,804.50 = 8,362.61/x
  3. Step 3: Cross multiply
    15,074.82x = 20,804.50 × 8,362.61
  4. Step 4: Simplify right side
    15,074.82x = 173,979,966.53
  5. Step 5: Solve for x
    x = 173,979,966.53/15,074.82
  6. Step 6: Final answer
    x = 11,541.10

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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.