Home / 21,193.68-29,245.12-12,244.04

Finding the Fourth Proportional to 21,193.68, 29,245.12 and 12,244.04

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Solution

The fourth proportional to 21,193.68, 29,245.12 and 12,244.04 is: 16,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.68 : 29,245.12 = 12,244.04 : x
  2. Step 2: Convert to fraction form
    21,193.68/29,245.12 = 12,244.04/x
  3. Step 3: Cross multiply
    21,193.68x = 29,245.12 × 12,244.04
  4. Step 4: Simplify right side
    21,193.68x = 358,078,419.08
  5. Step 5: Solve for x
    x = 358,078,419.08/21,193.68
  6. Step 6: Final answer
    x = 16,895.53

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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.