Home / 13,707.03-20,550.81-5,918.07

Finding the Fourth Proportional to 13,707.03, 20,550.81 and 5,918.07

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Solution

The fourth proportional to 13,707.03, 20,550.81 and 5,918.07 is: 8,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.03 : 20,550.81 = 5,918.07 : x
  2. Step 2: Convert to fraction form
    13,707.03/20,550.81 = 5,918.07/x
  3. Step 3: Cross multiply
    13,707.03x = 20,550.81 × 5,918.07
  4. Step 4: Simplify right side
    13,707.03x = 121,621,132.14
  5. Step 5: Solve for x
    x = 121,621,132.14/13,707.03
  6. Step 6: Final answer
    x = 8,872.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.