Home / 23,165.21-31,968.05-12,554.84

Finding the Fourth Proportional to 23,165.21, 31,968.05 and 12,554.84

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Solution

The fourth proportional to 23,165.21, 31,968.05 and 12,554.84 is: 17,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.21 : 31,968.05 = 12,554.84 : x
  2. Step 2: Convert to fraction form
    23,165.21/31,968.05 = 12,554.84/x
  3. Step 3: Cross multiply
    23,165.21x = 31,968.05 × 12,554.84
  4. Step 4: Simplify right side
    23,165.21x = 401,353,801.40
  5. Step 5: Solve for x
    x = 401,353,801.40/23,165.21
  6. Step 6: Final answer
    x = 17,325.71

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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.