Home / 21,741.55-30,006.50-12,182.08

Finding the Fourth Proportional to 21,741.55, 30,006.50 and 12,182.08

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Solution

The fourth proportional to 21,741.55, 30,006.50 and 12,182.08 is: 16,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.55 : 30,006.50 = 12,182.08 : x
  2. Step 2: Convert to fraction form
    21,741.55/30,006.50 = 12,182.08/x
  3. Step 3: Cross multiply
    21,741.55x = 30,006.50 × 12,182.08
  4. Step 4: Simplify right side
    21,741.55x = 365,541,538.96
  5. Step 5: Solve for x
    x = 365,541,538.96/21,741.55
  6. Step 6: Final answer
    x = 16,813.04

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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.