Home / 13,485.09-20,227.62-6,271.53

Finding the Fourth Proportional to 13,485.09, 20,227.62 and 6,271.53

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Solution

The fourth proportional to 13,485.09, 20,227.62 and 6,271.53 is: 9,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.09 : 20,227.62 = 6,271.53 : x
  2. Step 2: Convert to fraction form
    13,485.09/20,227.62 = 6,271.53/x
  3. Step 3: Cross multiply
    13,485.09x = 20,227.62 × 6,271.53
  4. Step 4: Simplify right side
    13,485.09x = 126,858,125.66
  5. Step 5: Solve for x
    x = 126,858,125.66/13,485.09
  6. Step 6: Final answer
    x = 9,407.29

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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.