Home / 21,701.79-32,492.61-11,149.11

Finding the Fourth Proportional to 21,701.79, 32,492.61 and 11,149.11

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Solution

The fourth proportional to 21,701.79, 32,492.61 and 11,149.11 is: 16,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.79 : 32,492.61 = 11,149.11 : x
  2. Step 2: Convert to fraction form
    21,701.79/32,492.61 = 11,149.11/x
  3. Step 3: Cross multiply
    21,701.79x = 32,492.61 × 11,149.11
  4. Step 4: Simplify right side
    21,701.79x = 362,263,683.08
  5. Step 5: Solve for x
    x = 362,263,683.08/21,701.79
  6. Step 6: Final answer
    x = 16,692.80

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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.