Home / 10,119.93-13,956.39-6,343.47

Finding the Fourth Proportional to 10,119.93, 13,956.39 and 6,343.47

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Solution

The fourth proportional to 10,119.93, 13,956.39 and 6,343.47 is: 8,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.93 : 13,956.39 = 6,343.47 : x
  2. Step 2: Convert to fraction form
    10,119.93/13,956.39 = 6,343.47/x
  3. Step 3: Cross multiply
    10,119.93x = 13,956.39 × 6,343.47
  4. Step 4: Simplify right side
    10,119.93x = 88,531,941.27
  5. Step 5: Solve for x
    x = 88,531,941.27/10,119.93
  6. Step 6: Final answer
    x = 8,748.28

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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.