Home / 13,805.44-19,051.61-7,517.81

Finding the Fourth Proportional to 13,805.44, 19,051.61 and 7,517.81

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Solution

The fourth proportional to 13,805.44, 19,051.61 and 7,517.81 is: 10,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.44 : 19,051.61 = 7,517.81 : x
  2. Step 2: Convert to fraction form
    13,805.44/19,051.61 = 7,517.81/x
  3. Step 3: Cross multiply
    13,805.44x = 19,051.61 × 7,517.81
  4. Step 4: Simplify right side
    13,805.44x = 143,226,394.21
  5. Step 5: Solve for x
    x = 143,226,394.21/13,805.44
  6. Step 6: Final answer
    x = 10,374.64

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1.5x scale

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.