Home / 15,546.40-23,319.60-13,861.60

Finding the Fourth Proportional to 15,546.40, 23,319.60 and 13,861.60

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Solution

The fourth proportional to 15,546.40, 23,319.60 and 13,861.60 is: 20,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.40 : 23,319.60 = 13,861.60 : x
  2. Step 2: Convert to fraction form
    15,546.40/23,319.60 = 13,861.60/x
  3. Step 3: Cross multiply
    15,546.40x = 23,319.60 × 13,861.60
  4. Step 4: Simplify right side
    15,546.40x = 323,246,967.36
  5. Step 5: Solve for x
    x = 323,246,967.36/15,546.40
  6. Step 6: Final answer
    x = 20,792.40

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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.