Home / 13,669.22-20,504.40-7,091.18

Finding the Fourth Proportional to 13,669.22, 20,504.40 and 7,091.18

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Solution

The fourth proportional to 13,669.22, 20,504.40 and 7,091.18 is: 10,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.22 : 20,504.40 = 7,091.18 : x
  2. Step 2: Convert to fraction form
    13,669.22/20,504.40 = 7,091.18/x
  3. Step 3: Cross multiply
    13,669.22x = 20,504.40 × 7,091.18
  4. Step 4: Simplify right side
    13,669.22x = 145,400,391.19
  5. Step 5: Solve for x
    x = 145,400,391.19/13,669.22
  6. Step 6: Final answer
    x = 10,637.07

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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.