Home / 19,890.95-29,834.60-6,741.81

Finding the Fourth Proportional to 19,890.95, 29,834.60 and 6,741.81

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Solution

The fourth proportional to 19,890.95, 29,834.60 and 6,741.81 is: 10,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.95 : 29,834.60 = 6,741.81 : x
  2. Step 2: Convert to fraction form
    19,890.95/29,834.60 = 6,741.81/x
  3. Step 3: Cross multiply
    19,890.95x = 29,834.60 × 6,741.81
  4. Step 4: Simplify right side
    19,890.95x = 201,139,170.92
  5. Step 5: Solve for x
    x = 201,139,170.92/19,890.95
  6. Step 6: Final answer
    x = 10,112.10

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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.