Home / 13,208.10-19,812.74-4,323.95

Finding the Fourth Proportional to 13,208.10, 19,812.74 and 4,323.95

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Solution

The fourth proportional to 13,208.10, 19,812.74 and 4,323.95 is: 6,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.10 : 19,812.74 = 4,323.95 : x
  2. Step 2: Convert to fraction form
    13,208.10/19,812.74 = 4,323.95/x
  3. Step 3: Cross multiply
    13,208.10x = 19,812.74 × 4,323.95
  4. Step 4: Simplify right side
    13,208.10x = 85,669,287.22
  5. Step 5: Solve for x
    x = 85,669,287.22/13,208.10
  6. Step 6: Final answer
    x = 6,486.12

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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.