Home / 15,177.41-20,939.33-8,800.49

Finding the Fourth Proportional to 15,177.41, 20,939.33 and 8,800.49

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Solution

The fourth proportional to 15,177.41, 20,939.33 and 8,800.49 is: 12,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.41 : 20,939.33 = 8,800.49 : x
  2. Step 2: Convert to fraction form
    15,177.41/20,939.33 = 8,800.49/x
  3. Step 3: Cross multiply
    15,177.41x = 20,939.33 × 8,800.49
  4. Step 4: Simplify right side
    15,177.41x = 184,276,364.27
  5. Step 5: Solve for x
    x = 184,276,364.27/15,177.41
  6. Step 6: Final answer
    x = 12,141.49

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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.