Finding the Fourth Proportional to 13,135.04, 19,709.28 and 6,207.68
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Solution
The fourth proportional to 13,135.04, 19,709.28 and 6,207.68 is: 9,314.70
Step by Step Solution
- Step 1: Write the proportion equation
13,135.04 : 19,709.28 = 6,207.68 : x - Step 2: Convert to fraction form
13,135.04/19,709.28 = 6,207.68/x - Step 3: Cross multiply
13,135.04x = 19,709.28 × 6,207.68 - Step 4: Simplify right side
13,135.04x = 122,348,903.27 - Step 5: Solve for x
x = 122,348,903.27/13,135.04 - Step 6: Final answer
x = 9,314.70
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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.