Finding the Fourth Proportional to 11,281.79, 15,568.99 and 6,246.08
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Solution
The fourth proportional to 11,281.79, 15,568.99 and 6,246.08 is: 8,619.66
Step by Step Solution
- Step 1: Write the proportion equation
11,281.79 : 15,568.99 = 6,246.08 : x - Step 2: Convert to fraction form
11,281.79/15,568.99 = 6,246.08/x - Step 3: Cross multiply
11,281.79x = 15,568.99 × 6,246.08 - Step 4: Simplify right side
11,281.79x = 97,245,125.83 - Step 5: Solve for x
x = 97,245,125.83/11,281.79 - Step 6: Final answer
x = 8,619.66
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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.