Home / 23,469.01-32,379.30-13,390.36

Finding the Fourth Proportional to 23,469.01, 32,379.30 and 13,390.36

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Solution

The fourth proportional to 23,469.01, 32,379.30 and 13,390.36 is: 18,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.01 : 32,379.30 = 13,390.36 : x
  2. Step 2: Convert to fraction form
    23,469.01/32,379.30 = 13,390.36/x
  3. Step 3: Cross multiply
    23,469.01x = 32,379.30 × 13,390.36
  4. Step 4: Simplify right side
    23,469.01x = 433,570,483.55
  5. Step 5: Solve for x
    x = 433,570,483.55/23,469.01
  6. Step 6: Final answer
    x = 18,474.17

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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.