Home / 13,604.04-20,405.79-5,597.12

Finding the Fourth Proportional to 13,604.04, 20,405.79 and 5,597.12

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Solution

The fourth proportional to 13,604.04, 20,405.79 and 5,597.12 is: 8,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.04 : 20,405.79 = 5,597.12 : x
  2. Step 2: Convert to fraction form
    13,604.04/20,405.79 = 5,597.12/x
  3. Step 3: Cross multiply
    13,604.04x = 20,405.79 × 5,597.12
  4. Step 4: Simplify right side
    13,604.04x = 114,213,706.34
  5. Step 5: Solve for x
    x = 114,213,706.34/13,604.04
  6. Step 6: Final answer
    x = 8,395.57

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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.