Home / 13,513.14-20,269.27-6,117.60

Finding the Fourth Proportional to 13,513.14, 20,269.27 and 6,117.60

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Solution

The fourth proportional to 13,513.14, 20,269.27 and 6,117.60 is: 9,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.14 : 20,269.27 = 6,117.60 : x
  2. Step 2: Convert to fraction form
    13,513.14/20,269.27 = 6,117.60/x
  3. Step 3: Cross multiply
    13,513.14x = 20,269.27 × 6,117.60
  4. Step 4: Simplify right side
    13,513.14x = 123,999,270.86
  5. Step 5: Solve for x
    x = 123,999,270.86/13,513.14
  6. Step 6: Final answer
    x = 9,176.20

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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.