Home / 12,904.18-19,367.24-5,118.46

Finding the Fourth Proportional to 12,904.18, 19,367.24 and 5,118.46

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Solution

The fourth proportional to 12,904.18, 19,367.24 and 5,118.46 is: 7,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.18 : 19,367.24 = 5,118.46 : x
  2. Step 2: Convert to fraction form
    12,904.18/19,367.24 = 5,118.46/x
  3. Step 3: Cross multiply
    12,904.18x = 19,367.24 × 5,118.46
  4. Step 4: Simplify right side
    12,904.18x = 99,130,369.24
  5. Step 5: Solve for x
    x = 99,130,369.24/12,904.18
  6. Step 6: Final answer
    x = 7,682.04

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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.