Home / 14,108.99-21,150.32-5,219.37

Finding the Fourth Proportional to 14,108.99, 21,150.32 and 5,219.37

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Solution

The fourth proportional to 14,108.99, 21,150.32 and 5,219.37 is: 7,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.99 : 21,150.32 = 5,219.37 : x
  2. Step 2: Convert to fraction form
    14,108.99/21,150.32 = 5,219.37/x
  3. Step 3: Cross multiply
    14,108.99x = 21,150.32 × 5,219.37
  4. Step 4: Simplify right side
    14,108.99x = 110,391,319.60
  5. Step 5: Solve for x
    x = 110,391,319.60/14,108.99
  6. Step 6: Final answer
    x = 7,824.19

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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.