Home / 14,672.30-21,969.57-8,820.86

Finding the Fourth Proportional to 14,672.30, 21,969.57 and 8,820.86

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Solution

The fourth proportional to 14,672.30, 21,969.57 and 8,820.86 is: 13,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.30 : 21,969.57 = 8,820.86 : x
  2. Step 2: Convert to fraction form
    14,672.30/21,969.57 = 8,820.86/x
  3. Step 3: Cross multiply
    14,672.30x = 21,969.57 × 8,820.86
  4. Step 4: Simplify right side
    14,672.30x = 193,790,501.23
  5. Step 5: Solve for x
    x = 193,790,501.23/14,672.30
  6. Step 6: Final answer
    x = 13,207.92

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1.5x scale

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.