Home / 15,861.40-23,792.10-4,175.80

Finding the Fourth Proportional to 15,861.40, 23,792.10 and 4,175.80

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Solution

The fourth proportional to 15,861.40, 23,792.10 and 4,175.80 is: 6,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.40 : 23,792.10 = 4,175.80 : x
  2. Step 2: Convert to fraction form
    15,861.40/23,792.10 = 4,175.80/x
  3. Step 3: Cross multiply
    15,861.40x = 23,792.10 × 4,175.80
  4. Step 4: Simplify right side
    15,861.40x = 99,351,051.18
  5. Step 5: Solve for x
    x = 99,351,051.18/15,861.40
  6. Step 6: Final answer
    x = 6,263.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.