Home / 13,614.09-18,788.01-7,947.96

Finding the Fourth Proportional to 13,614.09, 18,788.01 and 7,947.96

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Solution

The fourth proportional to 13,614.09, 18,788.01 and 7,947.96 is: 10,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.09 : 18,788.01 = 7,947.96 : x
  2. Step 2: Convert to fraction form
    13,614.09/18,788.01 = 7,947.96/x
  3. Step 3: Cross multiply
    13,614.09x = 18,788.01 × 7,947.96
  4. Step 4: Simplify right side
    13,614.09x = 149,326,351.96
  5. Step 5: Solve for x
    x = 149,326,351.96/13,614.09
  6. Step 6: Final answer
    x = 10,968.52

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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.