Home / 10,317.44-15,458.24-6,424.64

Finding the Fourth Proportional to 10,317.44, 15,458.24 and 6,424.64

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Solution

The fourth proportional to 10,317.44, 15,458.24 and 6,424.64 is: 9,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.44 : 15,458.24 = 6,424.64 : x
  2. Step 2: Convert to fraction form
    10,317.44/15,458.24 = 6,424.64/x
  3. Step 3: Cross multiply
    10,317.44x = 15,458.24 × 6,424.64
  4. Step 4: Simplify right side
    10,317.44x = 99,313,627.03
  5. Step 5: Solve for x
    x = 99,313,627.03/10,317.44
  6. Step 6: Final answer
    x = 9,625.80

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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.