Home / 13,894.49-20,841.63-11,809.55

Finding the Fourth Proportional to 13,894.49, 20,841.63 and 11,809.55

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Solution

The fourth proportional to 13,894.49, 20,841.63 and 11,809.55 is: 17,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.49 : 20,841.63 = 11,809.55 : x
  2. Step 2: Convert to fraction form
    13,894.49/20,841.63 = 11,809.55/x
  3. Step 3: Cross multiply
    13,894.49x = 20,841.63 × 11,809.55
  4. Step 4: Simplify right side
    13,894.49x = 246,130,167.36
  5. Step 5: Solve for x
    x = 246,130,167.36/13,894.49
  6. Step 6: Final answer
    x = 17,714.23

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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.