Home / 20,848.64-31,277.60-6,997.44

Finding the Fourth Proportional to 20,848.64, 31,277.60 and 6,997.44

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Solution

The fourth proportional to 20,848.64, 31,277.60 and 6,997.44 is: 10,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.64 : 31,277.60 = 6,997.44 : x
  2. Step 2: Convert to fraction form
    20,848.64/31,277.60 = 6,997.44/x
  3. Step 3: Cross multiply
    20,848.64x = 31,277.60 × 6,997.44
  4. Step 4: Simplify right side
    20,848.64x = 218,863,129.34
  5. Step 5: Solve for x
    x = 218,863,129.34/20,848.64
  6. Step 6: Final answer
    x = 10,497.72

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1.5x scale

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.