Home / 13,418.34-20,098.32-6,478.26

Finding the Fourth Proportional to 13,418.34, 20,098.32 and 6,478.26

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Solution

The fourth proportional to 13,418.34, 20,098.32 and 6,478.26 is: 9,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.34 : 20,098.32 = 6,478.26 : x
  2. Step 2: Convert to fraction form
    13,418.34/20,098.32 = 6,478.26/x
  3. Step 3: Cross multiply
    13,418.34x = 20,098.32 × 6,478.26
  4. Step 4: Simplify right side
    13,418.34x = 130,202,142.52
  5. Step 5: Solve for x
    x = 130,202,142.52/13,418.34
  6. Step 6: Final answer
    x = 9,703.30

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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.