Home / 9,356.18-12,905.79-6,373.35

Finding the Fourth Proportional to 9,356.18, 12,905.79 and 6,373.35

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Solution

The fourth proportional to 9,356.18, 12,905.79 and 6,373.35 is: 8,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.18 : 12,905.79 = 6,373.35 : x
  2. Step 2: Convert to fraction form
    9,356.18/12,905.79 = 6,373.35/x
  3. Step 3: Cross multiply
    9,356.18x = 12,905.79 × 6,373.35
  4. Step 4: Simplify right side
    9,356.18x = 82,253,165.09
  5. Step 5: Solve for x
    x = 82,253,165.09/9,356.18
  6. Step 6: Final answer
    x = 8,791.32

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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.