Home / 13,948.63-21,018.84-11,537.46

Finding the Fourth Proportional to 13,948.63, 21,018.84 and 11,537.46

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Solution

The fourth proportional to 13,948.63, 21,018.84 and 11,537.46 is: 17,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.63 : 21,018.84 = 11,537.46 : x
  2. Step 2: Convert to fraction form
    13,948.63/21,018.84 = 11,537.46/x
  3. Step 3: Cross multiply
    13,948.63x = 21,018.84 × 11,537.46
  4. Step 4: Simplify right side
    13,948.63x = 242,504,033.48
  5. Step 5: Solve for x
    x = 242,504,033.48/13,948.63
  6. Step 6: Final answer
    x = 17,385.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.