Home / 14,670.66-20,243.34-8,295.56

Finding the Fourth Proportional to 14,670.66, 20,243.34 and 8,295.56

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Solution

The fourth proportional to 14,670.66, 20,243.34 and 8,295.56 is: 11,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.66 : 20,243.34 = 8,295.56 : x
  2. Step 2: Convert to fraction form
    14,670.66/20,243.34 = 8,295.56/x
  3. Step 3: Cross multiply
    14,670.66x = 20,243.34 × 8,295.56
  4. Step 4: Simplify right side
    14,670.66x = 167,929,740.35
  5. Step 5: Solve for x
    x = 167,929,740.35/14,670.66
  6. Step 6: Final answer
    x = 11,446.64

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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.