Home / 9,910.91-14,855.99-5,236.19

Finding the Fourth Proportional to 9,910.91, 14,855.99 and 5,236.19

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Solution

The fourth proportional to 9,910.91, 14,855.99 and 5,236.19 is: 7,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.91 : 14,855.99 = 5,236.19 : x
  2. Step 2: Convert to fraction form
    9,910.91/14,855.99 = 5,236.19/x
  3. Step 3: Cross multiply
    9,910.91x = 14,855.99 × 5,236.19
  4. Step 4: Simplify right side
    9,910.91x = 77,788,685.82
  5. Step 5: Solve for x
    x = 77,788,685.82/9,910.91
  6. Step 6: Final answer
    x = 7,848.80

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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.