Home / 12,948.50-19,425.99-5,549.30

Finding the Fourth Proportional to 12,948.50, 19,425.99 and 5,549.30

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Solution

The fourth proportional to 12,948.50, 19,425.99 and 5,549.30 is: 8,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.50 : 19,425.99 = 5,549.30 : x
  2. Step 2: Convert to fraction form
    12,948.50/19,425.99 = 5,549.30/x
  3. Step 3: Cross multiply
    12,948.50x = 19,425.99 × 5,549.30
  4. Step 4: Simplify right side
    12,948.50x = 107,800,646.31
  5. Step 5: Solve for x
    x = 107,800,646.31/12,948.50
  6. Step 6: Final answer
    x = 8,325.34

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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.