Home / 14,844.12-20,485.11-8,129.62

Finding the Fourth Proportional to 14,844.12, 20,485.11 and 8,129.62

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Solution

The fourth proportional to 14,844.12, 20,485.11 and 8,129.62 is: 11,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.12 : 20,485.11 = 8,129.62 : x
  2. Step 2: Convert to fraction form
    14,844.12/20,485.11 = 8,129.62/x
  3. Step 3: Cross multiply
    14,844.12x = 20,485.11 × 8,129.62
  4. Step 4: Simplify right side
    14,844.12x = 166,536,159.96
  5. Step 5: Solve for x
    x = 166,536,159.96/14,844.12
  6. Step 6: Final answer
    x = 11,219.00

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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.