Home / 19,379.23-26,730.84-13,326.71

Finding the Fourth Proportional to 19,379.23, 26,730.84 and 13,326.71

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Solution

The fourth proportional to 19,379.23, 26,730.84 and 13,326.71 is: 18,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.23 : 26,730.84 = 13,326.71 : x
  2. Step 2: Convert to fraction form
    19,379.23/26,730.84 = 13,326.71/x
  3. Step 3: Cross multiply
    19,379.23x = 26,730.84 × 13,326.71
  4. Step 4: Simplify right side
    19,379.23x = 356,234,069.06
  5. Step 5: Solve for x
    x = 356,234,069.06/19,379.23
  6. Step 6: Final answer
    x = 18,382.26

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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.