Home / 13,941.84-19,221.12-11,943.84

Finding the Fourth Proportional to 13,941.84, 19,221.12 and 11,943.84

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Solution

The fourth proportional to 13,941.84, 19,221.12 and 11,943.84 is: 16,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.84 : 19,221.12 = 11,943.84 : x
  2. Step 2: Convert to fraction form
    13,941.84/19,221.12 = 11,943.84/x
  3. Step 3: Cross multiply
    13,941.84x = 19,221.12 × 11,943.84
  4. Step 4: Simplify right side
    13,941.84x = 229,573,981.90
  5. Step 5: Solve for x
    x = 229,573,981.90/13,941.84
  6. Step 6: Final answer
    x = 16,466.55

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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.