Home / 14,099.39-21,149.06-5,779.41

Finding the Fourth Proportional to 14,099.39, 21,149.06 and 5,779.41

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Solution

The fourth proportional to 14,099.39, 21,149.06 and 5,779.41 is: 8,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.39 : 21,149.06 = 5,779.41 : x
  2. Step 2: Convert to fraction form
    14,099.39/21,149.06 = 5,779.41/x
  3. Step 3: Cross multiply
    14,099.39x = 21,149.06 × 5,779.41
  4. Step 4: Simplify right side
    14,099.39x = 122,229,088.85
  5. Step 5: Solve for x
    x = 122,229,088.85/14,099.39
  6. Step 6: Final answer
    x = 8,669.10

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Double scale
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Similar ratio
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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.