Home / 13,187.33-19,779.62-6,944.81

Finding the Fourth Proportional to 13,187.33, 19,779.62 and 6,944.81

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Solution

The fourth proportional to 13,187.33, 19,779.62 and 6,944.81 is: 10,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.33 : 19,779.62 = 6,944.81 : x
  2. Step 2: Convert to fraction form
    13,187.33/19,779.62 = 6,944.81/x
  3. Step 3: Cross multiply
    13,187.33x = 19,779.62 × 6,944.81
  4. Step 4: Simplify right side
    13,187.33x = 137,365,621.24
  5. Step 5: Solve for x
    x = 137,365,621.24/13,187.33
  6. Step 6: Final answer
    x = 10,416.49

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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.