Home / 11,020.71-15,208.37-6,240.30

Finding the Fourth Proportional to 11,020.71, 15,208.37 and 6,240.30

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Solution

The fourth proportional to 11,020.71, 15,208.37 and 6,240.30 is: 8,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.71 : 15,208.37 = 6,240.30 : x
  2. Step 2: Convert to fraction form
    11,020.71/15,208.37 = 6,240.30/x
  3. Step 3: Cross multiply
    11,020.71x = 15,208.37 × 6,240.30
  4. Step 4: Simplify right side
    11,020.71x = 94,904,791.31
  5. Step 5: Solve for x
    x = 94,904,791.31/11,020.71
  6. Step 6: Final answer
    x = 8,611.50

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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.