Home / 13,680.63-20,483.93-7,092.97

Finding the Fourth Proportional to 13,680.63, 20,483.93 and 7,092.97

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Solution

The fourth proportional to 13,680.63, 20,483.93 and 7,092.97 is: 10,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680.63 : 20,483.93 = 7,092.97 : x
  2. Step 2: Convert to fraction form
    13,680.63/20,483.93 = 7,092.97/x
  3. Step 3: Cross multiply
    13,680.63x = 20,483.93 × 7,092.97
  4. Step 4: Simplify right side
    13,680.63x = 145,291,867.49
  5. Step 5: Solve for x
    x = 145,291,867.49/13,680.63
  6. Step 6: Final answer
    x = 10,620.26

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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.