Home / 19,581.09-29,371.60-7,101.08

Finding the Fourth Proportional to 19,581.09, 29,371.60 and 7,101.08

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Solution

The fourth proportional to 19,581.09, 29,371.60 and 7,101.08 is: 10,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.09 : 29,371.60 = 7,101.08 : x
  2. Step 2: Convert to fraction form
    19,581.09/29,371.60 = 7,101.08/x
  3. Step 3: Cross multiply
    19,581.09x = 29,371.60 × 7,101.08
  4. Step 4: Simplify right side
    19,581.09x = 208,570,084.81
  5. Step 5: Solve for x
    x = 208,570,084.81/19,581.09
  6. Step 6: Final answer
    x = 10,651.61

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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.