Home / 14,707.20-20,296.30-7,993.22

Finding the Fourth Proportional to 14,707.20, 20,296.30 and 7,993.22

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Solution

The fourth proportional to 14,707.20, 20,296.30 and 7,993.22 is: 11,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.20 : 20,296.30 = 7,993.22 : x
  2. Step 2: Convert to fraction form
    14,707.20/20,296.30 = 7,993.22/x
  3. Step 3: Cross multiply
    14,707.20x = 20,296.30 × 7,993.22
  4. Step 4: Simplify right side
    14,707.20x = 162,232,791.09
  5. Step 5: Solve for x
    x = 162,232,791.09/14,707.20
  6. Step 6: Final answer
    x = 11,030.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.