Home / 12,827.18-19,229.36-6,907.29

Finding the Fourth Proportional to 12,827.18, 19,229.36 and 6,907.29

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Solution

The fourth proportional to 12,827.18, 19,229.36 and 6,907.29 is: 10,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.18 : 19,229.36 = 6,907.29 : x
  2. Step 2: Convert to fraction form
    12,827.18/19,229.36 = 6,907.29/x
  3. Step 3: Cross multiply
    12,827.18x = 19,229.36 × 6,907.29
  4. Step 4: Simplify right side
    12,827.18x = 132,822,731.50
  5. Step 5: Solve for x
    x = 132,822,731.50/12,827.18
  6. Step 6: Final answer
    x = 10,354.79

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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.