Home / 14,277.89-21,404.53-6,887.54

Finding the Fourth Proportional to 14,277.89, 21,404.53 and 6,887.54

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Solution

The fourth proportional to 14,277.89, 21,404.53 and 6,887.54 is: 10,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.89 : 21,404.53 = 6,887.54 : x
  2. Step 2: Convert to fraction form
    14,277.89/21,404.53 = 6,887.54/x
  3. Step 3: Cross multiply
    14,277.89x = 21,404.53 × 6,887.54
  4. Step 4: Simplify right side
    14,277.89x = 147,424,522.12
  5. Step 5: Solve for x
    x = 147,424,522.12/14,277.89
  6. Step 6: Final answer
    x = 10,325.37

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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.