Home / 15,550.52-21,459.94-8,836.29

Finding the Fourth Proportional to 15,550.52, 21,459.94 and 8,836.29

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Solution

The fourth proportional to 15,550.52, 21,459.94 and 8,836.29 is: 12,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.52 : 21,459.94 = 8,836.29 : x
  2. Step 2: Convert to fraction form
    15,550.52/21,459.94 = 8,836.29/x
  3. Step 3: Cross multiply
    15,550.52x = 21,459.94 × 8,836.29
  4. Step 4: Simplify right side
    15,550.52x = 189,626,231.13
  5. Step 5: Solve for x
    x = 189,626,231.13/15,550.52
  6. Step 6: Final answer
    x = 12,194.21

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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.