Home / 12,929.00-19,393.91-3,569.72

Finding the Fourth Proportional to 12,929.00, 19,393.91 and 3,569.72

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Solution

The fourth proportional to 12,929.00, 19,393.91 and 3,569.72 is: 5,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.00 : 19,393.91 = 3,569.72 : x
  2. Step 2: Convert to fraction form
    12,929.00/19,393.91 = 3,569.72/x
  3. Step 3: Cross multiply
    12,929.00x = 19,393.91 × 3,569.72
  4. Step 4: Simplify right side
    12,929.00x = 69,230,740.36
  5. Step 5: Solve for x
    x = 69,230,740.36/12,929.00
  6. Step 6: Final answer
    x = 5,354.69

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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.