Home / 14,153.68-21,230.73-5,389.08

Finding the Fourth Proportional to 14,153.68, 21,230.73 and 5,389.08

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Solution

The fourth proportional to 14,153.68, 21,230.73 and 5,389.08 is: 8,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.68 : 21,230.73 = 5,389.08 : x
  2. Step 2: Convert to fraction form
    14,153.68/21,230.73 = 5,389.08/x
  3. Step 3: Cross multiply
    14,153.68x = 21,230.73 × 5,389.08
  4. Step 4: Simplify right side
    14,153.68x = 114,414,102.43
  5. Step 5: Solve for x
    x = 114,414,102.43/14,153.68
  6. Step 6: Final answer
    x = 8,083.70

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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.