Home / 19,403.74-29,077.80-11,066.50

Finding the Fourth Proportional to 19,403.74, 29,077.80 and 11,066.50

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Solution

The fourth proportional to 19,403.74, 29,077.80 and 11,066.50 is: 16,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.74 : 29,077.80 = 11,066.50 : x
  2. Step 2: Convert to fraction form
    19,403.74/29,077.80 = 11,066.50/x
  3. Step 3: Cross multiply
    19,403.74x = 29,077.80 × 11,066.50
  4. Step 4: Simplify right side
    19,403.74x = 321,789,473.70
  5. Step 5: Solve for x
    x = 321,789,473.70/19,403.74
  6. Step 6: Final answer
    x = 16,583.89

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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.