Home / 12,656.62-18,982.14-8,948.26

Finding the Fourth Proportional to 12,656.62, 18,982.14 and 8,948.26

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Solution

The fourth proportional to 12,656.62, 18,982.14 and 8,948.26 is: 13,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.62 : 18,982.14 = 8,948.26 : x
  2. Step 2: Convert to fraction form
    12,656.62/18,982.14 = 8,948.26/x
  3. Step 3: Cross multiply
    12,656.62x = 18,982.14 × 8,948.26
  4. Step 4: Simplify right side
    12,656.62x = 169,857,124.08
  5. Step 5: Solve for x
    x = 169,857,124.08/12,656.62
  6. Step 6: Final answer
    x = 13,420.42

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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.