Home / 14,126.98-19,496.03-8,539.78

Finding the Fourth Proportional to 14,126.98, 19,496.03 and 8,539.78

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Solution

The fourth proportional to 14,126.98, 19,496.03 and 8,539.78 is: 11,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.98 : 19,496.03 = 8,539.78 : x
  2. Step 2: Convert to fraction form
    14,126.98/19,496.03 = 8,539.78/x
  3. Step 3: Cross multiply
    14,126.98x = 19,496.03 × 8,539.78
  4. Step 4: Simplify right side
    14,126.98x = 166,491,807.07
  5. Step 5: Solve for x
    x = 166,491,807.07/14,126.98
  6. Step 6: Final answer
    x = 11,785.38

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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.