Home / 15,815.41-23,716.58-6,449.07

Finding the Fourth Proportional to 15,815.41, 23,716.58 and 6,449.07

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Solution

The fourth proportional to 15,815.41, 23,716.58 and 6,449.07 is: 9,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.41 : 23,716.58 = 6,449.07 : x
  2. Step 2: Convert to fraction form
    15,815.41/23,716.58 = 6,449.07/x
  3. Step 3: Cross multiply
    15,815.41x = 23,716.58 × 6,449.07
  4. Step 4: Simplify right side
    15,815.41x = 152,949,884.58
  5. Step 5: Solve for x
    x = 152,949,884.58/15,815.41
  6. Step 6: Final answer
    x = 9,670.94

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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.