Home / 13,513.04-20,269.84-6,116.16

Finding the Fourth Proportional to 13,513.04, 20,269.84 and 6,116.16

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Solution

The fourth proportional to 13,513.04, 20,269.84 and 6,116.16 is: 9,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.04 : 20,269.84 = 6,116.16 : x
  2. Step 2: Convert to fraction form
    13,513.04/20,269.84 = 6,116.16/x
  3. Step 3: Cross multiply
    13,513.04x = 20,269.84 × 6,116.16
  4. Step 4: Simplify right side
    13,513.04x = 123,973,584.61
  5. Step 5: Solve for x
    x = 123,973,584.61/13,513.04
  6. Step 6: Final answer
    x = 9,174.37

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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.