Home / 11,718.44-16,168.95-6,939.89

Finding the Fourth Proportional to 11,718.44, 16,168.95 and 6,939.89

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Solution

The fourth proportional to 11,718.44, 16,168.95 and 6,939.89 is: 9,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.44 : 16,168.95 = 6,939.89 : x
  2. Step 2: Convert to fraction form
    11,718.44/16,168.95 = 6,939.89/x
  3. Step 3: Cross multiply
    11,718.44x = 16,168.95 × 6,939.89
  4. Step 4: Simplify right side
    11,718.44x = 112,210,714.20
  5. Step 5: Solve for x
    x = 112,210,714.20/11,718.44
  6. Step 6: Final answer
    x = 9,575.57

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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.