Home / 13,054.74-19,562.67-7,213.02

Finding the Fourth Proportional to 13,054.74, 19,562.67 and 7,213.02

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Solution

The fourth proportional to 13,054.74, 19,562.67 and 7,213.02 is: 10,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.74 : 19,562.67 = 7,213.02 : x
  2. Step 2: Convert to fraction form
    13,054.74/19,562.67 = 7,213.02/x
  3. Step 3: Cross multiply
    13,054.74x = 19,562.67 × 7,213.02
  4. Step 4: Simplify right side
    13,054.74x = 141,105,929.96
  5. Step 5: Solve for x
    x = 141,105,929.96/13,054.74
  6. Step 6: Final answer
    x = 10,808.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.