Home / 14,126.88-19,495.17-7,839.26

Finding the Fourth Proportional to 14,126.88, 19,495.17 and 7,839.26

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Solution

The fourth proportional to 14,126.88, 19,495.17 and 7,839.26 is: 10,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.88 : 19,495.17 = 7,839.26 : x
  2. Step 2: Convert to fraction form
    14,126.88/19,495.17 = 7,839.26/x
  3. Step 3: Cross multiply
    14,126.88x = 19,495.17 × 7,839.26
  4. Step 4: Simplify right side
    14,126.88x = 152,827,608.90
  5. Step 5: Solve for x
    x = 152,827,608.90/14,126.88
  6. Step 6: Final answer
    x = 10,818.21

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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.