Home / 10,811.03-14,921.61-7,027.61

Finding the Fourth Proportional to 10,811.03, 14,921.61 and 7,027.61

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Solution

The fourth proportional to 10,811.03, 14,921.61 and 7,027.61 is: 9,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.03 : 14,921.61 = 7,027.61 : x
  2. Step 2: Convert to fraction form
    10,811.03/14,921.61 = 7,027.61/x
  3. Step 3: Cross multiply
    10,811.03x = 14,921.61 × 7,027.61
  4. Step 4: Simplify right side
    10,811.03x = 104,863,220.51
  5. Step 5: Solve for x
    x = 104,863,220.51/10,811.03
  6. Step 6: Final answer
    x = 9,699.66

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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.