Home / 9,188.92-13,772.44-5,285.13

Finding the Fourth Proportional to 9,188.92, 13,772.44 and 5,285.13

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Solution

The fourth proportional to 9,188.92, 13,772.44 and 5,285.13 is: 7,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.92 : 13,772.44 = 5,285.13 : x
  2. Step 2: Convert to fraction form
    9,188.92/13,772.44 = 5,285.13/x
  3. Step 3: Cross multiply
    9,188.92x = 13,772.44 × 5,285.13
  4. Step 4: Simplify right side
    9,188.92x = 72,789,135.82
  5. Step 5: Solve for x
    x = 72,789,135.82/9,188.92
  6. Step 6: Final answer
    x = 7,921.40

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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.