Home / 14,152.96-21,230.24-5,389.12

Finding the Fourth Proportional to 14,152.96, 21,230.24 and 5,389.12

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Solution

The fourth proportional to 14,152.96, 21,230.24 and 5,389.12 is: 8,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.96 : 21,230.24 = 5,389.12 : x
  2. Step 2: Convert to fraction form
    14,152.96/21,230.24 = 5,389.12/x
  3. Step 3: Cross multiply
    14,152.96x = 21,230.24 × 5,389.12
  4. Step 4: Simplify right side
    14,152.96x = 114,412,310.99
  5. Step 5: Solve for x
    x = 114,412,310.99/14,152.96
  6. Step 6: Final answer
    x = 8,083.98

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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.