Home / 21,598.50-29,806.02-12,167.22

Finding the Fourth Proportional to 21,598.50, 29,806.02 and 12,167.22

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Solution

The fourth proportional to 21,598.50, 29,806.02 and 12,167.22 is: 16,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.50 : 29,806.02 = 12,167.22 : x
  2. Step 2: Convert to fraction form
    21,598.50/29,806.02 = 12,167.22/x
  3. Step 3: Cross multiply
    21,598.50x = 29,806.02 × 12,167.22
  4. Step 4: Simplify right side
    21,598.50x = 362,656,402.66
  5. Step 5: Solve for x
    x = 362,656,402.66/21,598.50
  6. Step 6: Final answer
    x = 16,790.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.