Home / 21,734.87-32,631.46-12,866.58

Finding the Fourth Proportional to 21,734.87, 32,631.46 and 12,866.58

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Solution

The fourth proportional to 21,734.87, 32,631.46 and 12,866.58 is: 19,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.87 : 32,631.46 = 12,866.58 : x
  2. Step 2: Convert to fraction form
    21,734.87/32,631.46 = 12,866.58/x
  3. Step 3: Cross multiply
    21,734.87x = 32,631.46 × 12,866.58
  4. Step 4: Simplify right side
    21,734.87x = 419,855,258.44
  5. Step 5: Solve for x
    x = 419,855,258.44/21,734.87
  6. Step 6: Final answer
    x = 19,317.13

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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.