Home / 14,249.75-19,664.70-7,876.24

Finding the Fourth Proportional to 14,249.75, 19,664.70 and 7,876.24

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Solution

The fourth proportional to 14,249.75, 19,664.70 and 7,876.24 is: 10,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.75 : 19,664.70 = 7,876.24 : x
  2. Step 2: Convert to fraction form
    14,249.75/19,664.70 = 7,876.24/x
  3. Step 3: Cross multiply
    14,249.75x = 19,664.70 × 7,876.24
  4. Step 4: Simplify right side
    14,249.75x = 154,883,840.18
  5. Step 5: Solve for x
    x = 154,883,840.18/14,249.75
  6. Step 6: Final answer
    x = 10,869.23

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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.