Home / 13,695.69-20,534.27-5,370.51

Finding the Fourth Proportional to 13,695.69, 20,534.27 and 5,370.51

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Solution

The fourth proportional to 13,695.69, 20,534.27 and 5,370.51 is: 8,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.69 : 20,534.27 = 5,370.51 : x
  2. Step 2: Convert to fraction form
    13,695.69/20,534.27 = 5,370.51/x
  3. Step 3: Cross multiply
    13,695.69x = 20,534.27 × 5,370.51
  4. Step 4: Simplify right side
    13,695.69x = 110,279,475.53
  5. Step 5: Solve for x
    x = 110,279,475.53/13,695.69
  6. Step 6: Final answer
    x = 8,052.13

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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.