Home / 14,966.08-20,651.60-8,251.26

Finding the Fourth Proportional to 14,966.08, 20,651.60 and 8,251.26

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Solution

The fourth proportional to 14,966.08, 20,651.60 and 8,251.26 is: 11,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.08 : 20,651.60 = 8,251.26 : x
  2. Step 2: Convert to fraction form
    14,966.08/20,651.60 = 8,251.26/x
  3. Step 3: Cross multiply
    14,966.08x = 20,651.60 × 8,251.26
  4. Step 4: Simplify right side
    14,966.08x = 170,401,721.02
  5. Step 5: Solve for x
    x = 170,401,721.02/14,966.08
  6. Step 6: Final answer
    x = 11,385.86

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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.