Finding the Fourth Proportional to 18,726.10, 28,089.26 and 6,246.09
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Solution
The fourth proportional to 18,726.10, 28,089.26 and 6,246.09 is: 9,369.17
Step by Step Solution
- Step 1: Write the proportion equation
18,726.10 : 28,089.26 = 6,246.09 : x - Step 2: Convert to fraction form
18,726.10/28,089.26 = 6,246.09/x - Step 3: Cross multiply
18,726.10x = 28,089.26 × 6,246.09 - Step 4: Simplify right side
18,726.10x = 175,448,045.99 - Step 5: Solve for x
x = 175,448,045.99/18,726.10 - Step 6: Final answer
x = 9,369.17
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1.5x scale
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.