Home / 14,014.24-21,025.20-4,780.96

Finding the Fourth Proportional to 14,014.24, 21,025.20 and 4,780.96

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Solution

The fourth proportional to 14,014.24, 21,025.20 and 4,780.96 is: 7,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.24 : 21,025.20 = 4,780.96 : x
  2. Step 2: Convert to fraction form
    14,014.24/21,025.20 = 4,780.96/x
  3. Step 3: Cross multiply
    14,014.24x = 21,025.20 × 4,780.96
  4. Step 4: Simplify right side
    14,014.24x = 100,520,640.19
  5. Step 5: Solve for x
    x = 100,520,640.19/14,014.24
  6. Step 6: Final answer
    x = 7,172.75

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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.