Home / 15,522.48-23,283.96-8,640.72

Finding the Fourth Proportional to 15,522.48, 23,283.96 and 8,640.72

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Solution

The fourth proportional to 15,522.48, 23,283.96 and 8,640.72 is: 12,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.48 : 23,283.96 = 8,640.72 : x
  2. Step 2: Convert to fraction form
    15,522.48/23,283.96 = 8,640.72/x
  3. Step 3: Cross multiply
    15,522.48x = 23,283.96 × 8,640.72
  4. Step 4: Simplify right side
    15,522.48x = 201,190,178.85
  5. Step 5: Solve for x
    x = 201,190,178.85/15,522.48
  6. Step 6: Final answer
    x = 12,961.21

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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.