Home / 21,744.10-32,611.11-10,639.63

Finding the Fourth Proportional to 21,744.10, 32,611.11 and 10,639.63

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Solution

The fourth proportional to 21,744.10, 32,611.11 and 10,639.63 is: 15,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.10 : 32,611.11 = 10,639.63 : x
  2. Step 2: Convert to fraction form
    21,744.10/32,611.11 = 10,639.63/x
  3. Step 3: Cross multiply
    21,744.10x = 32,611.11 × 10,639.63
  4. Step 4: Simplify right side
    21,744.10x = 346,970,144.29
  5. Step 5: Solve for x
    x = 346,970,144.29/21,744.10
  6. Step 6: Final answer
    x = 15,956.98

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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.