Home / 23,343.30-32,212.45-13,270.34

Finding the Fourth Proportional to 23,343.30, 32,212.45 and 13,270.34

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Solution

The fourth proportional to 23,343.30, 32,212.45 and 13,270.34 is: 18,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,343.30 : 32,212.45 = 13,270.34 : x
  2. Step 2: Convert to fraction form
    23,343.30/32,212.45 = 13,270.34/x
  3. Step 3: Cross multiply
    23,343.30x = 32,212.45 × 13,270.34
  4. Step 4: Simplify right side
    23,343.30x = 427,470,163.73
  5. Step 5: Solve for x
    x = 427,470,163.73/23,343.30
  6. Step 6: Final answer
    x = 18,312.33

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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.