Home / 11,160.09-15,400.62-6,124.28

Finding the Fourth Proportional to 11,160.09, 15,400.62 and 6,124.28

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Solution

The fourth proportional to 11,160.09, 15,400.62 and 6,124.28 is: 8,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.09 : 15,400.62 = 6,124.28 : x
  2. Step 2: Convert to fraction form
    11,160.09/15,400.62 = 6,124.28/x
  3. Step 3: Cross multiply
    11,160.09x = 15,400.62 × 6,124.28
  4. Step 4: Simplify right side
    11,160.09x = 94,317,632.05
  5. Step 5: Solve for x
    x = 94,317,632.05/11,160.09
  6. Step 6: Final answer
    x = 8,451.33

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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.