Home / 15,522.03-21,414.84-10,418.79

Finding the Fourth Proportional to 15,522.03, 21,414.84 and 10,418.79

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Solution

The fourth proportional to 15,522.03, 21,414.84 and 10,418.79 is: 14,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.03 : 21,414.84 = 10,418.79 : x
  2. Step 2: Convert to fraction form
    15,522.03/21,414.84 = 10,418.79/x
  3. Step 3: Cross multiply
    15,522.03x = 21,414.84 × 10,418.79
  4. Step 4: Simplify right side
    15,522.03x = 223,116,720.84
  5. Step 5: Solve for x
    x = 223,116,720.84/15,522.03
  6. Step 6: Final answer
    x = 14,374.20

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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.