Home / 11,188.90-15,439.89-6,153.04

Finding the Fourth Proportional to 11,188.90, 15,439.89 and 6,153.04

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Solution

The fourth proportional to 11,188.90, 15,439.89 and 6,153.04 is: 8,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.90 : 15,439.89 = 6,153.04 : x
  2. Step 2: Convert to fraction form
    11,188.90/15,439.89 = 6,153.04/x
  3. Step 3: Cross multiply
    11,188.90x = 15,439.89 × 6,153.04
  4. Step 4: Simplify right side
    11,188.90x = 95,002,260.77
  5. Step 5: Solve for x
    x = 95,002,260.77/11,188.90
  6. Step 6: Final answer
    x = 8,490.76

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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.