Finding the Fourth Proportional to 18,847.17, 26,012.45 and 14,090.99
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Solution
The fourth proportional to 18,847.17, 26,012.45 and 14,090.99 is: 19,448.07
Step by Step Solution
- Step 1: Write the proportion equation
18,847.17 : 26,012.45 = 14,090.99 : x - Step 2: Convert to fraction form
18,847.17/26,012.45 = 14,090.99/x - Step 3: Cross multiply
18,847.17x = 26,012.45 × 14,090.99 - Step 4: Simplify right side
18,847.17x = 366,541,077.99 - Step 5: Solve for x
x = 366,541,077.99/18,847.17 - Step 6: Final answer
x = 19,448.07
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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.