Home / 19,890.23-29,834.53-6,742.58

Finding the Fourth Proportional to 19,890.23, 29,834.53 and 6,742.58

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Solution

The fourth proportional to 19,890.23, 29,834.53 and 6,742.58 is: 10,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.23 : 29,834.53 = 6,742.58 : x
  2. Step 2: Convert to fraction form
    19,890.23/29,834.53 = 6,742.58/x
  3. Step 3: Cross multiply
    19,890.23x = 29,834.53 × 6,742.58
  4. Step 4: Simplify right side
    19,890.23x = 201,161,539.26
  5. Step 5: Solve for x
    x = 201,161,539.26/19,890.23
  6. Step 6: Final answer
    x = 10,113.59

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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.