Home / 13,604.46-20,389.68-5,804.16

Finding the Fourth Proportional to 13,604.46, 20,389.68 and 5,804.16

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Solution

The fourth proportional to 13,604.46, 20,389.68 and 5,804.16 is: 8,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.46 : 20,389.68 = 5,804.16 : x
  2. Step 2: Convert to fraction form
    13,604.46/20,389.68 = 5,804.16/x
  3. Step 3: Cross multiply
    13,604.46x = 20,389.68 × 5,804.16
  4. Step 4: Simplify right side
    13,604.46x = 118,344,965.07
  5. Step 5: Solve for x
    x = 118,344,965.07/13,604.46
  6. Step 6: Final answer
    x = 8,698.98

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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.