Home / 19,989-29,950.68-6,834.19

Finding the Fourth Proportional to 19,989, 29,950.68 and 6,834.19

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Solution

The fourth proportional to 19,989, 29,950.68 and 6,834.19 is: 10,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989 : 29,950.68 = 6,834.19 : x
  2. Step 2: Convert to fraction form
    19,989/29,950.68 = 6,834.19/x
  3. Step 3: Cross multiply
    19,989x = 29,950.68 × 6,834.19
  4. Step 4: Simplify right side
    19,989x = 204,688,637.75
  5. Step 5: Solve for x
    x = 204,688,637.75/19,989
  6. Step 6: Final answer
    x = 10,240.06

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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.