Home / 14,201.20-21,301.80-4,851.78

Finding the Fourth Proportional to 14,201.20, 21,301.80 and 4,851.78

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Solution

The fourth proportional to 14,201.20, 21,301.80 and 4,851.78 is: 7,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.20 : 21,301.80 = 4,851.78 : x
  2. Step 2: Convert to fraction form
    14,201.20/21,301.80 = 4,851.78/x
  3. Step 3: Cross multiply
    14,201.20x = 21,301.80 × 4,851.78
  4. Step 4: Simplify right side
    14,201.20x = 103,351,647.20
  5. Step 5: Solve for x
    x = 103,351,647.20/14,201.20
  6. Step 6: Final answer
    x = 7,277.67

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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.