Home / 14,871.20-20,522.43-8,498.66

Finding the Fourth Proportional to 14,871.20, 20,522.43 and 8,498.66

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Solution

The fourth proportional to 14,871.20, 20,522.43 and 8,498.66 is: 11,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.20 : 20,522.43 = 8,498.66 : x
  2. Step 2: Convert to fraction form
    14,871.20/20,522.43 = 8,498.66/x
  3. Step 3: Cross multiply
    14,871.20x = 20,522.43 × 8,498.66
  4. Step 4: Simplify right side
    14,871.20x = 174,413,052.33
  5. Step 5: Solve for x
    x = 174,413,052.33/14,871.20
  6. Step 6: Final answer
    x = 11,728.25

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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.