Home / 13,208.93-19,815.11-4,321.16

Finding the Fourth Proportional to 13,208.93, 19,815.11 and 4,321.16

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Solution

The fourth proportional to 13,208.93, 19,815.11 and 4,321.16 is: 6,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.93 : 19,815.11 = 4,321.16 : x
  2. Step 2: Convert to fraction form
    13,208.93/19,815.11 = 4,321.16/x
  3. Step 3: Cross multiply
    13,208.93x = 19,815.11 × 4,321.16
  4. Step 4: Simplify right side
    13,208.93x = 85,624,172.45
  5. Step 5: Solve for x
    x = 85,624,172.45/13,208.93
  6. Step 6: Final answer
    x = 6,482.30

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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.