Home / 14,081.23-19,428.99-8,415.13

Finding the Fourth Proportional to 14,081.23, 19,428.99 and 8,415.13

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Solution

The fourth proportional to 14,081.23, 19,428.99 and 8,415.13 is: 11,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.23 : 19,428.99 = 8,415.13 : x
  2. Step 2: Convert to fraction form
    14,081.23/19,428.99 = 8,415.13/x
  3. Step 3: Cross multiply
    14,081.23x = 19,428.99 × 8,415.13
  4. Step 4: Simplify right side
    14,081.23x = 163,497,476.62
  5. Step 5: Solve for x
    x = 163,497,476.62/14,081.23
  6. Step 6: Final answer
    x = 11,611.02

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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.