Home / 13,508.51-20,271.83-4,743.45

Finding the Fourth Proportional to 13,508.51, 20,271.83 and 4,743.45

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Solution

The fourth proportional to 13,508.51, 20,271.83 and 4,743.45 is: 7,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.51 : 20,271.83 = 4,743.45 : x
  2. Step 2: Convert to fraction form
    13,508.51/20,271.83 = 4,743.45/x
  3. Step 3: Cross multiply
    13,508.51x = 20,271.83 × 4,743.45
  4. Step 4: Simplify right side
    13,508.51x = 96,158,388.30
  5. Step 5: Solve for x
    x = 96,158,388.30/13,508.51
  6. Step 6: Final answer
    x = 7,118.36

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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.