Home / 14,201.83-21,276.78-11,981.57

Finding the Fourth Proportional to 14,201.83, 21,276.78 and 11,981.57

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Solution

The fourth proportional to 14,201.83, 21,276.78 and 11,981.57 is: 17,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.83 : 21,276.78 = 11,981.57 : x
  2. Step 2: Convert to fraction form
    14,201.83/21,276.78 = 11,981.57/x
  3. Step 3: Cross multiply
    14,201.83x = 21,276.78 × 11,981.57
  4. Step 4: Simplify right side
    14,201.83x = 254,929,197.31
  5. Step 5: Solve for x
    x = 254,929,197.31/14,201.83
  6. Step 6: Final answer
    x = 17,950.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.