Home / 19,054.65-26,287.33-11,978.49

Finding the Fourth Proportional to 19,054.65, 26,287.33 and 11,978.49

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Solution

The fourth proportional to 19,054.65, 26,287.33 and 11,978.49 is: 16,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.65 : 26,287.33 = 11,978.49 : x
  2. Step 2: Convert to fraction form
    19,054.65/26,287.33 = 11,978.49/x
  3. Step 3: Cross multiply
    19,054.65x = 26,287.33 × 11,978.49
  4. Step 4: Simplify right side
    19,054.65x = 314,882,519.53
  5. Step 5: Solve for x
    x = 314,882,519.53/19,054.65
  6. Step 6: Final answer
    x = 16,525.23

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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.