Home / 13,659.36-20,476.22-7,410.20

Finding the Fourth Proportional to 13,659.36, 20,476.22 and 7,410.20

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Solution

The fourth proportional to 13,659.36, 20,476.22 and 7,410.20 is: 11,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.36 : 20,476.22 = 7,410.20 : x
  2. Step 2: Convert to fraction form
    13,659.36/20,476.22 = 7,410.20/x
  3. Step 3: Cross multiply
    13,659.36x = 20,476.22 × 7,410.20
  4. Step 4: Simplify right side
    13,659.36x = 151,732,885.44
  5. Step 5: Solve for x
    x = 151,732,885.44/13,659.36
  6. Step 6: Final answer
    x = 11,108.35

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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.