Home / 13,542.36-20,316.09-6,147.34

Finding the Fourth Proportional to 13,542.36, 20,316.09 and 6,147.34

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Solution

The fourth proportional to 13,542.36, 20,316.09 and 6,147.34 is: 9,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.36 : 20,316.09 = 6,147.34 : x
  2. Step 2: Convert to fraction form
    13,542.36/20,316.09 = 6,147.34/x
  3. Step 3: Cross multiply
    13,542.36x = 20,316.09 × 6,147.34
  4. Step 4: Simplify right side
    13,542.36x = 124,889,890.23
  5. Step 5: Solve for x
    x = 124,889,890.23/13,542.36
  6. Step 6: Final answer
    x = 9,222.16

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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.