Home / 14,021.75-19,350.02-7,734.53

Finding the Fourth Proportional to 14,021.75, 19,350.02 and 7,734.53

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Solution

The fourth proportional to 14,021.75, 19,350.02 and 7,734.53 is: 10,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.75 : 19,350.02 = 7,734.53 : x
  2. Step 2: Convert to fraction form
    14,021.75/19,350.02 = 7,734.53/x
  3. Step 3: Cross multiply
    14,021.75x = 19,350.02 × 7,734.53
  4. Step 4: Simplify right side
    14,021.75x = 149,663,271.52
  5. Step 5: Solve for x
    x = 149,663,271.52/14,021.75
  6. Step 6: Final answer
    x = 10,673.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.