Home / 14,120.31-19,486.94-7,832.69

Finding the Fourth Proportional to 14,120.31, 19,486.94 and 7,832.69

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Solution

The fourth proportional to 14,120.31, 19,486.94 and 7,832.69 is: 10,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.31 : 19,486.94 = 7,832.69 : x
  2. Step 2: Convert to fraction form
    14,120.31/19,486.94 = 7,832.69/x
  3. Step 3: Cross multiply
    14,120.31x = 19,486.94 × 7,832.69
  4. Step 4: Simplify right side
    14,120.31x = 152,635,160.07
  5. Step 5: Solve for x
    x = 152,635,160.07/14,120.31
  6. Step 6: Final answer
    x = 10,809.62

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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.