Home / 14,099.50-21,149.59-4,739.64

Finding the Fourth Proportional to 14,099.50, 21,149.59 and 4,739.64

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Solution

The fourth proportional to 14,099.50, 21,149.59 and 4,739.64 is: 7,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.50 : 21,149.59 = 4,739.64 : x
  2. Step 2: Convert to fraction form
    14,099.50/21,149.59 = 4,739.64/x
  3. Step 3: Cross multiply
    14,099.50x = 21,149.59 × 4,739.64
  4. Step 4: Simplify right side
    14,099.50x = 100,241,442.75
  5. Step 5: Solve for x
    x = 100,241,442.75/14,099.50
  6. Step 6: Final answer
    x = 7,109.57

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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.