Home / 23,072.67-31,840.43-13,518.21

Finding the Fourth Proportional to 23,072.67, 31,840.43 and 13,518.21

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Solution

The fourth proportional to 23,072.67, 31,840.43 and 13,518.21 is: 18,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.67 : 31,840.43 = 13,518.21 : x
  2. Step 2: Convert to fraction form
    23,072.67/31,840.43 = 13,518.21/x
  3. Step 3: Cross multiply
    23,072.67x = 31,840.43 × 13,518.21
  4. Step 4: Simplify right side
    23,072.67x = 430,425,619.23
  5. Step 5: Solve for x
    x = 430,425,619.23/23,072.67
  6. Step 6: Final answer
    x = 18,655.21

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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.