Home / 15,760.08-23,639.62-6,399.84

Finding the Fourth Proportional to 15,760.08, 23,639.62 and 6,399.84

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Solution

The fourth proportional to 15,760.08, 23,639.62 and 6,399.84 is: 9,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.08 : 23,639.62 = 6,399.84 : x
  2. Step 2: Convert to fraction form
    15,760.08/23,639.62 = 6,399.84/x
  3. Step 3: Cross multiply
    15,760.08x = 23,639.62 × 6,399.84
  4. Step 4: Simplify right side
    15,760.08x = 151,289,785.66
  5. Step 5: Solve for x
    x = 151,289,785.66/15,760.08
  6. Step 6: Final answer
    x = 9,599.56

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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.