Finding the Fourth Proportional to 17,709.36, 24,429.72 and 14,355.96
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Solution
The fourth proportional to 17,709.36, 24,429.72 and 14,355.96 is: 19,803.77
Step by Step Solution
- Step 1: Write the proportion equation
17,709.36 : 24,429.72 = 14,355.96 : x - Step 2: Convert to fraction form
17,709.36/24,429.72 = 14,355.96/x - Step 3: Cross multiply
17,709.36x = 24,429.72 × 14,355.96 - Step 4: Simplify right side
17,709.36x = 350,712,083.13 - Step 5: Solve for x
x = 350,712,083.13/17,709.36 - Step 6: Final answer
x = 19,803.77
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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.