Home / 13,704.36-20,584.58-9,031.06

Finding the Fourth Proportional to 13,704.36, 20,584.58 and 9,031.06

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Solution

The fourth proportional to 13,704.36, 20,584.58 and 9,031.06 is: 13,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.36 : 20,584.58 = 9,031.06 : x
  2. Step 2: Convert to fraction form
    13,704.36/20,584.58 = 9,031.06/x
  3. Step 3: Cross multiply
    13,704.36x = 20,584.58 × 9,031.06
  4. Step 4: Simplify right side
    13,704.36x = 185,900,577.05
  5. Step 5: Solve for x
    x = 185,900,577.05/13,704.36
  6. Step 6: Final answer
    x = 13,565.07

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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.