Home / 14,126.28-19,494.60-7,839

Finding the Fourth Proportional to 14,126.28, 19,494.60 and 7,839

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Solution

The fourth proportional to 14,126.28, 19,494.60 and 7,839 is: 10,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.28 : 19,494.60 = 7,839 : x
  2. Step 2: Convert to fraction form
    14,126.28/19,494.60 = 7,839/x
  3. Step 3: Cross multiply
    14,126.28x = 19,494.60 × 7,839
  4. Step 4: Simplify right side
    14,126.28x = 152,818,169.40
  5. Step 5: Solve for x
    x = 152,818,169.40/14,126.28
  6. Step 6: Final answer
    x = 10,818.01

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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.