Home / 12,904.18-19,358.99-4,145.24

Finding the Fourth Proportional to 12,904.18, 19,358.99 and 4,145.24

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Solution

The fourth proportional to 12,904.18, 19,358.99 and 4,145.24 is: 6,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.18 : 19,358.99 = 4,145.24 : x
  2. Step 2: Convert to fraction form
    12,904.18/19,358.99 = 4,145.24/x
  3. Step 3: Cross multiply
    12,904.18x = 19,358.99 × 4,145.24
  4. Step 4: Simplify right side
    12,904.18x = 80,247,659.71
  5. Step 5: Solve for x
    x = 80,247,659.71/12,904.18
  6. Step 6: Final answer
    x = 6,218.73

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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.