Home / 11,460.42-15,815.37-6,424.68

Finding the Fourth Proportional to 11,460.42, 15,815.37 and 6,424.68

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Solution

The fourth proportional to 11,460.42, 15,815.37 and 6,424.68 is: 8,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.42 : 15,815.37 = 6,424.68 : x
  2. Step 2: Convert to fraction form
    11,460.42/15,815.37 = 6,424.68/x
  3. Step 3: Cross multiply
    11,460.42x = 15,815.37 × 6,424.68
  4. Step 4: Simplify right side
    11,460.42x = 101,608,691.33
  5. Step 5: Solve for x
    x = 101,608,691.33/11,460.42
  6. Step 6: Final answer
    x = 8,866.05

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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.