Home / 18,941.99-26,133.60-12,232.15

Finding the Fourth Proportional to 18,941.99, 26,133.60 and 12,232.15

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Solution

The fourth proportional to 18,941.99, 26,133.60 and 12,232.15 is: 16,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.99 : 26,133.60 = 12,232.15 : x
  2. Step 2: Convert to fraction form
    18,941.99/26,133.60 = 12,232.15/x
  3. Step 3: Cross multiply
    18,941.99x = 26,133.60 × 12,232.15
  4. Step 4: Simplify right side
    18,941.99x = 319,670,115.24
  5. Step 5: Solve for x
    x = 319,670,115.24/18,941.99
  6. Step 6: Final answer
    x = 16,876.27

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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.