Home / 14,014.09-21,021.20-4,153.45

Finding the Fourth Proportional to 14,014.09, 21,021.20 and 4,153.45

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Solution

The fourth proportional to 14,014.09, 21,021.20 and 4,153.45 is: 6,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.09 : 21,021.20 = 4,153.45 : x
  2. Step 2: Convert to fraction form
    14,014.09/21,021.20 = 4,153.45/x
  3. Step 3: Cross multiply
    14,014.09x = 21,021.20 × 4,153.45
  4. Step 4: Simplify right side
    14,014.09x = 87,310,513.52
  5. Step 5: Solve for x
    x = 87,310,513.52/14,014.09
  6. Step 6: Final answer
    x = 6,230.20

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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.