Home / 9,355.32-13,997.34-8,318.52

Finding the Fourth Proportional to 9,355.32, 13,997.34 and 8,318.52

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Solution

The fourth proportional to 9,355.32, 13,997.34 and 8,318.52 is: 12,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.32 : 13,997.34 = 8,318.52 : x
  2. Step 2: Convert to fraction form
    9,355.32/13,997.34 = 8,318.52/x
  3. Step 3: Cross multiply
    9,355.32x = 13,997.34 × 8,318.52
  4. Step 4: Simplify right side
    9,355.32x = 116,437,152.74
  5. Step 5: Solve for x
    x = 116,437,152.74/9,355.32
  6. Step 6: Final answer
    x = 12,446.09

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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.