Finding the Fourth Proportional to 10,671.29, 14,727.36 and 5,892.09
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Solution
The fourth proportional to 10,671.29, 14,727.36 and 5,892.09 is: 8,131.63
Step by Step Solution
- Step 1: Write the proportion equation
10,671.29 : 14,727.36 = 5,892.09 : x - Step 2: Convert to fraction form
10,671.29/14,727.36 = 5,892.09/x - Step 3: Cross multiply
10,671.29x = 14,727.36 × 5,892.09 - Step 4: Simplify right side
10,671.29x = 86,774,930.58 - Step 5: Solve for x
x = 86,774,930.58/10,671.29 - Step 6: Final answer
x = 8,131.63
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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.