Home / 22,172.71-30,598.19-12,100.94

Finding the Fourth Proportional to 22,172.71, 30,598.19 and 12,100.94

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Solution

The fourth proportional to 22,172.71, 30,598.19 and 12,100.94 is: 16,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.71 : 30,598.19 = 12,100.94 : x
  2. Step 2: Convert to fraction form
    22,172.71/30,598.19 = 12,100.94/x
  3. Step 3: Cross multiply
    22,172.71x = 30,598.19 × 12,100.94
  4. Step 4: Simplify right side
    22,172.71x = 370,266,861.30
  5. Step 5: Solve for x
    x = 370,266,861.30/22,172.71
  6. Step 6: Final answer
    x = 16,699.22

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1.5x scale

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.