Home / 14,665.64-20,238.03-8,693.73

Finding the Fourth Proportional to 14,665.64, 20,238.03 and 8,693.73

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Solution

The fourth proportional to 14,665.64, 20,238.03 and 8,693.73 is: 11,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.64 : 20,238.03 = 8,693.73 : x
  2. Step 2: Convert to fraction form
    14,665.64/20,238.03 = 8,693.73/x
  3. Step 3: Cross multiply
    14,665.64x = 20,238.03 × 8,693.73
  4. Step 4: Simplify right side
    14,665.64x = 175,943,968.55
  5. Step 5: Solve for x
    x = 175,943,968.55/14,665.64
  6. Step 6: Final answer
    x = 11,997.02

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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.