Finding the Fourth Proportional to 13,750.29, 20,628.95 and 6,359.99
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Solution
The fourth proportional to 13,750.29, 20,628.95 and 6,359.99 is: 9,541.60
Step by Step Solution
- Step 1: Write the proportion equation
13,750.29 : 20,628.95 = 6,359.99 : x - Step 2: Convert to fraction form
13,750.29/20,628.95 = 6,359.99/x - Step 3: Cross multiply
13,750.29x = 20,628.95 × 6,359.99 - Step 4: Simplify right side
13,750.29x = 131,199,780.77 - Step 5: Solve for x
x = 131,199,780.77/13,750.29 - Step 6: Final answer
x = 9,541.60
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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.