Home / 19,759.84-27,275.44-11,379.68

Finding the Fourth Proportional to 19,759.84, 27,275.44 and 11,379.68

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Solution

The fourth proportional to 19,759.84, 27,275.44 and 11,379.68 is: 15,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.84 : 27,275.44 = 11,379.68 : x
  2. Step 2: Convert to fraction form
    19,759.84/27,275.44 = 11,379.68/x
  3. Step 3: Cross multiply
    19,759.84x = 27,275.44 × 11,379.68
  4. Step 4: Simplify right side
    19,759.84x = 310,385,779.06
  5. Step 5: Solve for x
    x = 310,385,779.06/19,759.84
  6. Step 6: Final answer
    x = 15,707.91

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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.