Home / 11,705.28-16,153.25-6,400.08

Finding the Fourth Proportional to 11,705.28, 16,153.25 and 6,400.08

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Solution

The fourth proportional to 11,705.28, 16,153.25 and 6,400.08 is: 8,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.28 : 16,153.25 = 6,400.08 : x
  2. Step 2: Convert to fraction form
    11,705.28/16,153.25 = 6,400.08/x
  3. Step 3: Cross multiply
    11,705.28x = 16,153.25 × 6,400.08
  4. Step 4: Simplify right side
    11,705.28x = 103,382,092.26
  5. Step 5: Solve for x
    x = 103,382,092.26/11,705.28
  6. Step 6: Final answer
    x = 8,832.09

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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.