Home / 21,948.40-32,908.14-12,460.96

Finding the Fourth Proportional to 21,948.40, 32,908.14 and 12,460.96

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Solution

The fourth proportional to 21,948.40, 32,908.14 and 12,460.96 is: 18,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.40 : 32,908.14 = 12,460.96 : x
  2. Step 2: Convert to fraction form
    21,948.40/32,908.14 = 12,460.96/x
  3. Step 3: Cross multiply
    21,948.40x = 32,908.14 × 12,460.96
  4. Step 4: Simplify right side
    21,948.40x = 410,067,016.21
  5. Step 5: Solve for x
    x = 410,067,016.21/21,948.40
  6. Step 6: Final answer
    x = 18,683.23

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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.