Home / 23,170-31,974.57-12,559.63

Finding the Fourth Proportional to 23,170, 31,974.57 and 12,559.63

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Solution

The fourth proportional to 23,170, 31,974.57 and 12,559.63 is: 17,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170 : 31,974.57 = 12,559.63 : x
  2. Step 2: Convert to fraction form
    23,170/31,974.57 = 12,559.63/x
  3. Step 3: Cross multiply
    23,170x = 31,974.57 × 12,559.63
  4. Step 4: Simplify right side
    23,170x = 401,588,768.61
  5. Step 5: Solve for x
    x = 401,588,768.61/23,170
  6. Step 6: Final answer
    x = 17,332.27

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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.