Home / 12,501.60-18,731.62-8,796.05

Finding the Fourth Proportional to 12,501.60, 18,731.62 and 8,796.05

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Solution

The fourth proportional to 12,501.60, 18,731.62 and 8,796.05 is: 13,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.60 : 18,731.62 = 8,796.05 : x
  2. Step 2: Convert to fraction form
    12,501.60/18,731.62 = 8,796.05/x
  3. Step 3: Cross multiply
    12,501.60x = 18,731.62 × 8,796.05
  4. Step 4: Simplify right side
    12,501.60x = 164,764,266.10
  5. Step 5: Solve for x
    x = 164,764,266.10/12,501.60
  6. Step 6: Final answer
    x = 13,179.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.