Home / 19,085.88-28,619.70-5,938.36

Finding the Fourth Proportional to 19,085.88, 28,619.70 and 5,938.36

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Solution

The fourth proportional to 19,085.88, 28,619.70 and 5,938.36 is: 8,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.88 : 28,619.70 = 5,938.36 : x
  2. Step 2: Convert to fraction form
    19,085.88/28,619.70 = 5,938.36/x
  3. Step 3: Cross multiply
    19,085.88x = 28,619.70 × 5,938.36
  4. Step 4: Simplify right side
    19,085.88x = 169,954,081.69
  5. Step 5: Solve for x
    x = 169,954,081.69/19,085.88
  6. Step 6: Final answer
    x = 8,904.70

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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.