Home / 11,128.37-15,356.51-6,091.61

Finding the Fourth Proportional to 11,128.37, 15,356.51 and 6,091.61

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Solution

The fourth proportional to 11,128.37, 15,356.51 and 6,091.61 is: 8,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.37 : 15,356.51 = 6,091.61 : x
  2. Step 2: Convert to fraction form
    11,128.37/15,356.51 = 6,091.61/x
  3. Step 3: Cross multiply
    11,128.37x = 15,356.51 × 6,091.61
  4. Step 4: Simplify right side
    11,128.37x = 93,545,762.64
  5. Step 5: Solve for x
    x = 93,545,762.64/11,128.37
  6. Step 6: Final answer
    x = 8,406.07

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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.