Home / 15,861.60-23,792.40-14,306.40

Finding the Fourth Proportional to 15,861.60, 23,792.40 and 14,306.40

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Solution

The fourth proportional to 15,861.60, 23,792.40 and 14,306.40 is: 21,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.60 : 23,792.40 = 14,306.40 : x
  2. Step 2: Convert to fraction form
    15,861.60/23,792.40 = 14,306.40/x
  3. Step 3: Cross multiply
    15,861.60x = 23,792.40 × 14,306.40
  4. Step 4: Simplify right side
    15,861.60x = 340,383,591.36
  5. Step 5: Solve for x
    x = 340,383,591.36/15,861.60
  6. Step 6: Final answer
    x = 21,459.60

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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.