Home / 14,945.78-20,611.44-9,839.13

Finding the Fourth Proportional to 14,945.78, 20,611.44 and 9,839.13

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Solution

The fourth proportional to 14,945.78, 20,611.44 and 9,839.13 is: 13,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.78 : 20,611.44 = 9,839.13 : x
  2. Step 2: Convert to fraction form
    14,945.78/20,611.44 = 9,839.13/x
  3. Step 3: Cross multiply
    14,945.78x = 20,611.44 × 9,839.13
  4. Step 4: Simplify right side
    14,945.78x = 202,798,637.65
  5. Step 5: Solve for x
    x = 202,798,637.65/14,945.78
  6. Step 6: Final answer
    x = 13,568.96

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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.