Home / 11,021.04-15,208.87-6,240.86

Finding the Fourth Proportional to 11,021.04, 15,208.87 and 6,240.86

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Solution

The fourth proportional to 11,021.04, 15,208.87 and 6,240.86 is: 8,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.04 : 15,208.87 = 6,240.86 : x
  2. Step 2: Convert to fraction form
    11,021.04/15,208.87 = 6,240.86/x
  3. Step 3: Cross multiply
    11,021.04x = 15,208.87 × 6,240.86
  4. Step 4: Simplify right side
    11,021.04x = 94,916,321.18
  5. Step 5: Solve for x
    x = 94,916,321.18/11,021.04
  6. Step 6: Final answer
    x = 8,612.29

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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.