Home / 14,302.05-19,736.15-7,928.22

Finding the Fourth Proportional to 14,302.05, 19,736.15 and 7,928.22

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Solution

The fourth proportional to 14,302.05, 19,736.15 and 7,928.22 is: 10,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.05 : 19,736.15 = 7,928.22 : x
  2. Step 2: Convert to fraction form
    14,302.05/19,736.15 = 7,928.22/x
  3. Step 3: Cross multiply
    14,302.05x = 19,736.15 × 7,928.22
  4. Step 4: Simplify right side
    14,302.05x = 156,472,539.15
  5. Step 5: Solve for x
    x = 156,472,539.15/14,302.05
  6. Step 6: Final answer
    x = 10,940.57

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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.