Home / 14,040.68-21,060.76-4,186.64

Finding the Fourth Proportional to 14,040.68, 21,060.76 and 4,186.64

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Solution

The fourth proportional to 14,040.68, 21,060.76 and 4,186.64 is: 6,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.68 : 21,060.76 = 4,186.64 : x
  2. Step 2: Convert to fraction form
    14,040.68/21,060.76 = 4,186.64/x
  3. Step 3: Cross multiply
    14,040.68x = 21,060.76 × 4,186.64
  4. Step 4: Simplify right side
    14,040.68x = 88,173,820.25
  5. Step 5: Solve for x
    x = 88,173,820.25/14,040.68
  6. Step 6: Final answer
    x = 6,279.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.