Home / 14,664.72-20,233.80-8,291.44

Finding the Fourth Proportional to 14,664.72, 20,233.80 and 8,291.44

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Solution

The fourth proportional to 14,664.72, 20,233.80 and 8,291.44 is: 11,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.72 : 20,233.80 = 8,291.44 : x
  2. Step 2: Convert to fraction form
    14,664.72/20,233.80 = 8,291.44/x
  3. Step 3: Cross multiply
    14,664.72x = 20,233.80 × 8,291.44
  4. Step 4: Simplify right side
    14,664.72x = 167,767,338.67
  5. Step 5: Solve for x
    x = 167,767,338.67/14,664.72
  6. Step 6: Final answer
    x = 11,440.20

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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.