Home / 9,931.08-13,693.14-6,394.44

Finding the Fourth Proportional to 9,931.08, 13,693.14 and 6,394.44

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Solution

The fourth proportional to 9,931.08, 13,693.14 and 6,394.44 is: 8,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.08 : 13,693.14 = 6,394.44 : x
  2. Step 2: Convert to fraction form
    9,931.08/13,693.14 = 6,394.44/x
  3. Step 3: Cross multiply
    9,931.08x = 13,693.14 × 6,394.44
  4. Step 4: Simplify right side
    9,931.08x = 87,559,962.14
  5. Step 5: Solve for x
    x = 87,559,962.14/9,931.08
  6. Step 6: Final answer
    x = 8,816.76

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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.