Home / 13,604.83-18,772.26-8,301.35

Finding the Fourth Proportional to 13,604.83, 18,772.26 and 8,301.35

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Solution

The fourth proportional to 13,604.83, 18,772.26 and 8,301.35 is: 11,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.83 : 18,772.26 = 8,301.35 : x
  2. Step 2: Convert to fraction form
    13,604.83/18,772.26 = 8,301.35/x
  3. Step 3: Cross multiply
    13,604.83x = 18,772.26 × 8,301.35
  4. Step 4: Simplify right side
    13,604.83x = 155,835,116.35
  5. Step 5: Solve for x
    x = 155,835,116.35/13,604.83
  6. Step 6: Final answer
    x = 11,454.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.