Home / 14,126.69-21,208.46-11,949.24

Finding the Fourth Proportional to 14,126.69, 21,208.46 and 11,949.24

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Solution

The fourth proportional to 14,126.69, 21,208.46 and 11,949.24 is: 17,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.69 : 21,208.46 = 11,949.24 : x
  2. Step 2: Convert to fraction form
    14,126.69/21,208.46 = 11,949.24/x
  3. Step 3: Cross multiply
    14,126.69x = 21,208.46 × 11,949.24
  4. Step 4: Simplify right side
    14,126.69x = 253,424,918.82
  5. Step 5: Solve for x
    x = 253,424,918.82/14,126.69
  6. Step 6: Final answer
    x = 17,939.45

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1.5x scale

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.