Home / 10,454.14-15,696.79-4,226.32

Finding the Fourth Proportional to 10,454.14, 15,696.79 and 4,226.32

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Solution

The fourth proportional to 10,454.14, 15,696.79 and 4,226.32 is: 6,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.14 : 15,696.79 = 4,226.32 : x
  2. Step 2: Convert to fraction form
    10,454.14/15,696.79 = 4,226.32/x
  3. Step 3: Cross multiply
    10,454.14x = 15,696.79 × 4,226.32
  4. Step 4: Simplify right side
    10,454.14x = 66,339,652.19
  5. Step 5: Solve for x
    x = 66,339,652.19/10,454.14
  6. Step 6: Final answer
    x = 6,345.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.