Home / 19,890.99-29,834.55-6,741.81

Finding the Fourth Proportional to 19,890.99, 29,834.55 and 6,741.81

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Solution

The fourth proportional to 19,890.99, 29,834.55 and 6,741.81 is: 10,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.99 : 29,834.55 = 6,741.81 : x
  2. Step 2: Convert to fraction form
    19,890.99/29,834.55 = 6,741.81/x
  3. Step 3: Cross multiply
    19,890.99x = 29,834.55 × 6,741.81
  4. Step 4: Simplify right side
    19,890.99x = 201,138,867.54
  5. Step 5: Solve for x
    x = 201,138,867.54/19,890.99
  6. Step 6: Final answer
    x = 10,112.06

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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.