Home / 13,717.18-20,570.67-6,695.14

Finding the Fourth Proportional to 13,717.18, 20,570.67 and 6,695.14

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Solution

The fourth proportional to 13,717.18, 20,570.67 and 6,695.14 is: 10,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.18 : 20,570.67 = 6,695.14 : x
  2. Step 2: Convert to fraction form
    13,717.18/20,570.67 = 6,695.14/x
  3. Step 3: Cross multiply
    13,717.18x = 20,570.67 × 6,695.14
  4. Step 4: Simplify right side
    13,717.18x = 137,723,515.54
  5. Step 5: Solve for x
    x = 137,723,515.54/13,717.18
  6. Step 6: Final answer
    x = 10,040.22

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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.