Home / 10,719.96-16,068.96-4,143.60

Finding the Fourth Proportional to 10,719.96, 16,068.96 and 4,143.60

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Solution

The fourth proportional to 10,719.96, 16,068.96 and 4,143.60 is: 6,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.96 : 16,068.96 = 4,143.60 : x
  2. Step 2: Convert to fraction form
    10,719.96/16,068.96 = 4,143.60/x
  3. Step 3: Cross multiply
    10,719.96x = 16,068.96 × 4,143.60
  4. Step 4: Simplify right side
    10,719.96x = 66,583,342.66
  5. Step 5: Solve for x
    x = 66,583,342.66/10,719.96
  6. Step 6: Final answer
    x = 6,211.16

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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.