Home / 10,939.26-15,094.55-6,158.51

Finding the Fourth Proportional to 10,939.26, 15,094.55 and 6,158.51

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Solution

The fourth proportional to 10,939.26, 15,094.55 and 6,158.51 is: 8,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.26 : 15,094.55 = 6,158.51 : x
  2. Step 2: Convert to fraction form
    10,939.26/15,094.55 = 6,158.51/x
  3. Step 3: Cross multiply
    10,939.26x = 15,094.55 × 6,158.51
  4. Step 4: Simplify right side
    10,939.26x = 92,959,830.86
  5. Step 5: Solve for x
    x = 92,959,830.86/10,939.26
  6. Step 6: Final answer
    x = 8,497.82

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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.