Home / 13,556.49-20,334.73-6,626.13

Finding the Fourth Proportional to 13,556.49, 20,334.73 and 6,626.13

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Solution

The fourth proportional to 13,556.49, 20,334.73 and 6,626.13 is: 9,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.49 : 20,334.73 = 6,626.13 : x
  2. Step 2: Convert to fraction form
    13,556.49/20,334.73 = 6,626.13/x
  3. Step 3: Cross multiply
    13,556.49x = 20,334.73 × 6,626.13
  4. Step 4: Simplify right side
    13,556.49x = 134,740,564.49
  5. Step 5: Solve for x
    x = 134,740,564.49/13,556.49
  6. Step 6: Final answer
    x = 9,939.19

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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.