Home / 13,219.24-19,824.54-4,451.80

Finding the Fourth Proportional to 13,219.24, 19,824.54 and 4,451.80

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Solution

The fourth proportional to 13,219.24, 19,824.54 and 4,451.80 is: 6,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.24 : 19,824.54 = 4,451.80 : x
  2. Step 2: Convert to fraction form
    13,219.24/19,824.54 = 4,451.80/x
  3. Step 3: Cross multiply
    13,219.24x = 19,824.54 × 4,451.80
  4. Step 4: Simplify right side
    13,219.24x = 88,254,887.17
  5. Step 5: Solve for x
    x = 88,254,887.17/13,219.24
  6. Step 6: Final answer
    x = 6,676.25

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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.