Home / 12,746.14-19,120.05-3,386.03

Finding the Fourth Proportional to 12,746.14, 19,120.05 and 3,386.03

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Solution

The fourth proportional to 12,746.14, 19,120.05 and 3,386.03 is: 5,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.14 : 19,120.05 = 3,386.03 : x
  2. Step 2: Convert to fraction form
    12,746.14/19,120.05 = 3,386.03/x
  3. Step 3: Cross multiply
    12,746.14x = 19,120.05 × 3,386.03
  4. Step 4: Simplify right side
    12,746.14x = 64,740,967.30
  5. Step 5: Solve for x
    x = 64,740,967.30/12,746.14
  6. Step 6: Final answer
    x = 5,079.26

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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.