Home / 13,614.48-18,785.59-7,563.75

Finding the Fourth Proportional to 13,614.48, 18,785.59 and 7,563.75

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Solution

The fourth proportional to 13,614.48, 18,785.59 and 7,563.75 is: 10,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.48 : 18,785.59 = 7,563.75 : x
  2. Step 2: Convert to fraction form
    13,614.48/18,785.59 = 7,563.75/x
  3. Step 3: Cross multiply
    13,614.48x = 18,785.59 × 7,563.75
  4. Step 4: Simplify right side
    13,614.48x = 142,089,506.36
  5. Step 5: Solve for x
    x = 142,089,506.36/13,614.48
  6. Step 6: Final answer
    x = 10,436.65

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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.