Home / 13,923.33-19,189.06-10,140.49

Finding the Fourth Proportional to 13,923.33, 19,189.06 and 10,140.49

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Solution

The fourth proportional to 13,923.33, 19,189.06 and 10,140.49 is: 13,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.33 : 19,189.06 = 10,140.49 : x
  2. Step 2: Convert to fraction form
    13,923.33/19,189.06 = 10,140.49/x
  3. Step 3: Cross multiply
    13,923.33x = 19,189.06 × 10,140.49
  4. Step 4: Simplify right side
    13,923.33x = 194,586,471.04
  5. Step 5: Solve for x
    x = 194,586,471.04/13,923.33
  6. Step 6: Final answer
    x = 13,975.57

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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.