Home / 12,904.36-19,363.84-5,508.12

Finding the Fourth Proportional to 12,904.36, 19,363.84 and 5,508.12

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Solution

The fourth proportional to 12,904.36, 19,363.84 and 5,508.12 is: 8,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.36 : 19,363.84 = 5,508.12 : x
  2. Step 2: Convert to fraction form
    12,904.36/19,363.84 = 5,508.12/x
  3. Step 3: Cross multiply
    12,904.36x = 19,363.84 × 5,508.12
  4. Step 4: Simplify right side
    12,904.36x = 106,658,354.38
  5. Step 5: Solve for x
    x = 106,658,354.38/12,904.36
  6. Step 6: Final answer
    x = 8,265.30

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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.