Home / 13,513.47-20,267.82-6,116.19

Finding the Fourth Proportional to 13,513.47, 20,267.82 and 6,116.19

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Solution

The fourth proportional to 13,513.47, 20,267.82 and 6,116.19 is: 9,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.47 : 20,267.82 = 6,116.19 : x
  2. Step 2: Convert to fraction form
    13,513.47/20,267.82 = 6,116.19/x
  3. Step 3: Cross multiply
    13,513.47x = 20,267.82 × 6,116.19
  4. Step 4: Simplify right side
    13,513.47x = 123,961,838.01
  5. Step 5: Solve for x
    x = 123,961,838.01/13,513.47
  6. Step 6: Final answer
    x = 9,173.21

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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.