Finding the Fourth Proportional to 22,369.56, 30,869.34 and 12,297.99
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Solution
The fourth proportional to 22,369.56, 30,869.34 and 12,297.99 is: 16,970.87
Step by Step Solution
- Step 1: Write the proportion equation
22,369.56 : 30,869.34 = 12,297.99 : x - Step 2: Convert to fraction form
22,369.56/30,869.34 = 12,297.99/x - Step 3: Cross multiply
22,369.56x = 30,869.34 × 12,297.99 - Step 4: Simplify right side
22,369.56x = 379,630,834.63 - Step 5: Solve for x
x = 379,630,834.63/22,369.56 - Step 6: Final answer
x = 16,970.87
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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.