Home / 21,746.07-32,611.92-8,412.88

Finding the Fourth Proportional to 21,746.07, 32,611.92 and 8,412.88

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Solution

The fourth proportional to 21,746.07, 32,611.92 and 8,412.88 is: 12,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.07 : 32,611.92 = 8,412.88 : x
  2. Step 2: Convert to fraction form
    21,746.07/32,611.92 = 8,412.88/x
  3. Step 3: Cross multiply
    21,746.07x = 32,611.92 × 8,412.88
  4. Step 4: Simplify right side
    21,746.07x = 274,360,169.53
  5. Step 5: Solve for x
    x = 274,360,169.53/21,746.07
  6. Step 6: Final answer
    x = 12,616.54

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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.