Home / 14,098.89-19,456.66-7,725.36

Finding the Fourth Proportional to 14,098.89, 19,456.66 and 7,725.36

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Solution

The fourth proportional to 14,098.89, 19,456.66 and 7,725.36 is: 10,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.89 : 19,456.66 = 7,725.36 : x
  2. Step 2: Convert to fraction form
    14,098.89/19,456.66 = 7,725.36/x
  3. Step 3: Cross multiply
    14,098.89x = 19,456.66 × 7,725.36
  4. Step 4: Simplify right side
    14,098.89x = 150,309,671.07
  5. Step 5: Solve for x
    x = 150,309,671.07/14,098.89
  6. Step 6: Final answer
    x = 10,661.10

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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.