Home / 13,604.36-20,416.26-6,683.72

Finding the Fourth Proportional to 13,604.36, 20,416.26 and 6,683.72

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Solution

The fourth proportional to 13,604.36, 20,416.26 and 6,683.72 is: 10,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.36 : 20,416.26 = 6,683.72 : x
  2. Step 2: Convert to fraction form
    13,604.36/20,416.26 = 6,683.72/x
  3. Step 3: Cross multiply
    13,604.36x = 20,416.26 × 6,683.72
  4. Step 4: Simplify right side
    13,604.36x = 136,456,565.29
  5. Step 5: Solve for x
    x = 136,456,565.29/13,604.36
  6. Step 6: Final answer
    x = 10,030.36

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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.