Home / 14,639.57-20,201.90-8,266.89

Finding the Fourth Proportional to 14,639.57, 20,201.90 and 8,266.89

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Solution

The fourth proportional to 14,639.57, 20,201.90 and 8,266.89 is: 11,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.57 : 20,201.90 = 8,266.89 : x
  2. Step 2: Convert to fraction form
    14,639.57/20,201.90 = 8,266.89/x
  3. Step 3: Cross multiply
    14,639.57x = 20,201.90 × 8,266.89
  4. Step 4: Simplify right side
    14,639.57x = 167,006,843.76
  5. Step 5: Solve for x
    x = 167,006,843.76/14,639.57
  6. Step 6: Final answer
    x = 11,407.91

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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.