Finding the Fourth Proportional to 10,783.81, 14,881.63 and 6,068.09
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Solution
The fourth proportional to 10,783.81, 14,881.63 and 6,068.09 is: 8,373.95
Step by Step Solution
- Step 1: Write the proportion equation
10,783.81 : 14,881.63 = 6,068.09 : x - Step 2: Convert to fraction form
10,783.81/14,881.63 = 6,068.09/x - Step 3: Cross multiply
10,783.81x = 14,881.63 × 6,068.09 - Step 4: Simplify right side
10,783.81x = 90,303,092.22 - Step 5: Solve for x
x = 90,303,092.22/10,783.81 - Step 6: Final answer
x = 8,373.95
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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.