Finding the Fourth Proportional to 14,997.79, 22,489.14 and 4,998.99
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Solution
The fourth proportional to 14,997.79, 22,489.14 and 4,998.99 is: 7,495.97
Step by Step Solution
- Step 1: Write the proportion equation
14,997.79 : 22,489.14 = 4,998.99 : x - Step 2: Convert to fraction form
14,997.79/22,489.14 = 4,998.99/x - Step 3: Cross multiply
14,997.79x = 22,489.14 × 4,998.99 - Step 4: Simplify right side
14,997.79x = 112,422,985.97 - Step 5: Solve for x
x = 112,422,985.97/14,997.79 - Step 6: Final answer
x = 7,495.97
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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.