Home / 13,407.46-20,118.21-6,395.29

Finding the Fourth Proportional to 13,407.46, 20,118.21 and 6,395.29

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Solution

The fourth proportional to 13,407.46, 20,118.21 and 6,395.29 is: 9,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.46 : 20,118.21 = 6,395.29 : x
  2. Step 2: Convert to fraction form
    13,407.46/20,118.21 = 6,395.29/x
  3. Step 3: Cross multiply
    13,407.46x = 20,118.21 × 6,395.29
  4. Step 4: Simplify right side
    13,407.46x = 128,661,787.23
  5. Step 5: Solve for x
    x = 128,661,787.23/13,407.46
  6. Step 6: Final answer
    x = 9,596.28

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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.