Home / 18,522.58-25,560.18-10,137.46

Finding the Fourth Proportional to 18,522.58, 25,560.18 and 10,137.46

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Solution

The fourth proportional to 18,522.58, 25,560.18 and 10,137.46 is: 13,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.58 : 25,560.18 = 10,137.46 : x
  2. Step 2: Convert to fraction form
    18,522.58/25,560.18 = 10,137.46/x
  3. Step 3: Cross multiply
    18,522.58x = 25,560.18 × 10,137.46
  4. Step 4: Simplify right side
    18,522.58x = 259,115,302.34
  5. Step 5: Solve for x
    x = 259,115,302.34/18,522.58
  6. Step 6: Final answer
    x = 13,989.16

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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.