Home / 21,941.60-32,893.86-8,786.76

Finding the Fourth Proportional to 21,941.60, 32,893.86 and 8,786.76

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Solution

The fourth proportional to 21,941.60, 32,893.86 and 8,786.76 is: 13,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.60 : 32,893.86 = 8,786.76 : x
  2. Step 2: Convert to fraction form
    21,941.60/32,893.86 = 8,786.76/x
  3. Step 3: Cross multiply
    21,941.60x = 32,893.86 × 8,786.76
  4. Step 4: Simplify right side
    21,941.60x = 289,030,453.29
  5. Step 5: Solve for x
    x = 289,030,453.29/21,941.60
  6. Step 6: Final answer
    x = 13,172.72

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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.