Home / 15,522.15-23,286.84-4,428.99

Finding the Fourth Proportional to 15,522.15, 23,286.84 and 4,428.99

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Solution

The fourth proportional to 15,522.15, 23,286.84 and 4,428.99 is: 6,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.15 : 23,286.84 = 4,428.99 : x
  2. Step 2: Convert to fraction form
    15,522.15/23,286.84 = 4,428.99/x
  3. Step 3: Cross multiply
    15,522.15x = 23,286.84 × 4,428.99
  4. Step 4: Simplify right side
    15,522.15x = 103,137,181.49
  5. Step 5: Solve for x
    x = 103,137,181.49/15,522.15
  6. Step 6: Final answer
    x = 6,644.52

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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.