Home / 12,962.78-19,420.68-5,948.66

Finding the Fourth Proportional to 12,962.78, 19,420.68 and 5,948.66

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Solution

The fourth proportional to 12,962.78, 19,420.68 and 5,948.66 is: 8,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.78 : 19,420.68 = 5,948.66 : x
  2. Step 2: Convert to fraction form
    12,962.78/19,420.68 = 5,948.66/x
  3. Step 3: Cross multiply
    12,962.78x = 19,420.68 × 5,948.66
  4. Step 4: Simplify right side
    12,962.78x = 115,527,022.29
  5. Step 5: Solve for x
    x = 115,527,022.29/12,962.78
  6. Step 6: Final answer
    x = 8,912.21

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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.