Home / 13,296.66-19,946.16-6,718.62

Finding the Fourth Proportional to 13,296.66, 19,946.16 and 6,718.62

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Solution

The fourth proportional to 13,296.66, 19,946.16 and 6,718.62 is: 10,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.66 : 19,946.16 = 6,718.62 : x
  2. Step 2: Convert to fraction form
    13,296.66/19,946.16 = 6,718.62/x
  3. Step 3: Cross multiply
    13,296.66x = 19,946.16 × 6,718.62
  4. Step 4: Simplify right side
    13,296.66x = 134,010,669.50
  5. Step 5: Solve for x
    x = 134,010,669.50/13,296.66
  6. Step 6: Final answer
    x = 10,078.52

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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.