Home / 19,970.67-29,958.89-6,120.75

Finding the Fourth Proportional to 19,970.67, 29,958.89 and 6,120.75

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Solution

The fourth proportional to 19,970.67, 29,958.89 and 6,120.75 is: 9,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.67 : 29,958.89 = 6,120.75 : x
  2. Step 2: Convert to fraction form
    19,970.67/29,958.89 = 6,120.75/x
  3. Step 3: Cross multiply
    19,970.67x = 29,958.89 × 6,120.75
  4. Step 4: Simplify right side
    19,970.67x = 183,370,845.36
  5. Step 5: Solve for x
    x = 183,370,845.36/19,970.67
  6. Step 6: Final answer
    x = 9,182.01

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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.