Home / 11,877.77-16,391.57-6,572.68

Finding the Fourth Proportional to 11,877.77, 16,391.57 and 6,572.68

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Solution

The fourth proportional to 11,877.77, 16,391.57 and 6,572.68 is: 9,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.77 : 16,391.57 = 6,572.68 : x
  2. Step 2: Convert to fraction form
    11,877.77/16,391.57 = 6,572.68/x
  3. Step 3: Cross multiply
    11,877.77x = 16,391.57 × 6,572.68
  4. Step 4: Simplify right side
    11,877.77x = 107,736,470.47
  5. Step 5: Solve for x
    x = 107,736,470.47/11,877.77
  6. Step 6: Final answer
    x = 9,070.43

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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.