Home / 13,983.06-20,989.17-6,197.34

Finding the Fourth Proportional to 13,983.06, 20,989.17 and 6,197.34

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Solution

The fourth proportional to 13,983.06, 20,989.17 and 6,197.34 is: 9,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.06 : 20,989.17 = 6,197.34 : x
  2. Step 2: Convert to fraction form
    13,983.06/20,989.17 = 6,197.34/x
  3. Step 3: Cross multiply
    13,983.06x = 20,989.17 × 6,197.34
  4. Step 4: Simplify right side
    13,983.06x = 130,077,022.81
  5. Step 5: Solve for x
    x = 130,077,022.81/13,983.06
  6. Step 6: Final answer
    x = 9,302.47

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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.