Home / 13,541.36-20,222.06-13,394.74

Finding the Fourth Proportional to 13,541.36, 20,222.06 and 13,394.74

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Solution

The fourth proportional to 13,541.36, 20,222.06 and 13,394.74 is: 20,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.36 : 20,222.06 = 13,394.74 : x
  2. Step 2: Convert to fraction form
    13,541.36/20,222.06 = 13,394.74/x
  3. Step 3: Cross multiply
    13,541.36x = 20,222.06 × 13,394.74
  4. Step 4: Simplify right side
    13,541.36x = 270,869,235.96
  5. Step 5: Solve for x
    x = 270,869,235.96/13,541.36
  6. Step 6: Final answer
    x = 20,003.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.