Home / 11,939.52-16,475.74-6,561.84

Finding the Fourth Proportional to 11,939.52, 16,475.74 and 6,561.84

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Solution

The fourth proportional to 11,939.52, 16,475.74 and 6,561.84 is: 9,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.52 : 16,475.74 = 6,561.84 : x
  2. Step 2: Convert to fraction form
    11,939.52/16,475.74 = 6,561.84/x
  3. Step 3: Cross multiply
    11,939.52x = 16,475.74 × 6,561.84
  4. Step 4: Simplify right side
    11,939.52x = 108,111,180.39
  5. Step 5: Solve for x
    x = 108,111,180.39/11,939.52
  6. Step 6: Final answer
    x = 9,054.90

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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.