Home / 13,610.57-20,376.90-9,220.23

Finding the Fourth Proportional to 13,610.57, 20,376.90 and 9,220.23

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Solution

The fourth proportional to 13,610.57, 20,376.90 and 9,220.23 is: 13,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.57 : 20,376.90 = 9,220.23 : x
  2. Step 2: Convert to fraction form
    13,610.57/20,376.90 = 9,220.23/x
  3. Step 3: Cross multiply
    13,610.57x = 20,376.90 × 9,220.23
  4. Step 4: Simplify right side
    13,610.57x = 187,879,704.69
  5. Step 5: Solve for x
    x = 187,879,704.69/13,610.57
  6. Step 6: Final answer
    x = 13,803.96

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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.