Home / 14,388.19-19,861.28-11,245.39

Finding the Fourth Proportional to 14,388.19, 19,861.28 and 11,245.39

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Solution

The fourth proportional to 14,388.19, 19,861.28 and 11,245.39 is: 15,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.19 : 19,861.28 = 11,245.39 : x
  2. Step 2: Convert to fraction form
    14,388.19/19,861.28 = 11,245.39/x
  3. Step 3: Cross multiply
    14,388.19x = 19,861.28 × 11,245.39
  4. Step 4: Simplify right side
    14,388.19x = 223,347,783.27
  5. Step 5: Solve for x
    x = 223,347,783.27/14,388.19
  6. Step 6: Final answer
    x = 15,522.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.