Home / 11,020.91-15,208.98-5,985.19

Finding the Fourth Proportional to 11,020.91, 15,208.98 and 5,985.19

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Solution

The fourth proportional to 11,020.91, 15,208.98 and 5,985.19 is: 8,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.91 : 15,208.98 = 5,985.19 : x
  2. Step 2: Convert to fraction form
    11,020.91/15,208.98 = 5,985.19/x
  3. Step 3: Cross multiply
    11,020.91x = 15,208.98 × 5,985.19
  4. Step 4: Simplify right side
    11,020.91x = 91,028,558.96
  5. Step 5: Solve for x
    x = 91,028,558.96/11,020.91
  6. Step 6: Final answer
    x = 8,259.62

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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.