Home / 13,561.15-20,344.98-5,659.27

Finding the Fourth Proportional to 13,561.15, 20,344.98 and 5,659.27

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Solution

The fourth proportional to 13,561.15, 20,344.98 and 5,659.27 is: 8,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.15 : 20,344.98 = 5,659.27 : x
  2. Step 2: Convert to fraction form
    13,561.15/20,344.98 = 5,659.27/x
  3. Step 3: Cross multiply
    13,561.15x = 20,344.98 × 5,659.27
  4. Step 4: Simplify right side
    13,561.15x = 115,137,706.67
  5. Step 5: Solve for x
    x = 115,137,706.67/13,561.15
  6. Step 6: Final answer
    x = 8,490.26

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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.