Home / 13,579.45-20,400.36-9,586.01

Finding the Fourth Proportional to 13,579.45, 20,400.36 and 9,586.01

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Solution

The fourth proportional to 13,579.45, 20,400.36 and 9,586.01 is: 14,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.45 : 20,400.36 = 9,586.01 : x
  2. Step 2: Convert to fraction form
    13,579.45/20,400.36 = 9,586.01/x
  3. Step 3: Cross multiply
    13,579.45x = 20,400.36 × 9,586.01
  4. Step 4: Simplify right side
    13,579.45x = 195,558,070.02
  5. Step 5: Solve for x
    x = 195,558,070.02/13,579.45
  6. Step 6: Final answer
    x = 14,401.03

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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.