Home / 10,828.96-14,939.44-7,286.02

Finding the Fourth Proportional to 10,828.96, 14,939.44 and 7,286.02

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Solution

The fourth proportional to 10,828.96, 14,939.44 and 7,286.02 is: 10,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.96 : 14,939.44 = 7,286.02 : x
  2. Step 2: Convert to fraction form
    10,828.96/14,939.44 = 7,286.02/x
  3. Step 3: Cross multiply
    10,828.96x = 14,939.44 × 7,286.02
  4. Step 4: Simplify right side
    10,828.96x = 108,849,058.63
  5. Step 5: Solve for x
    x = 108,849,058.63/10,828.96
  6. Step 6: Final answer
    x = 10,051.66

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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.