Home / 14,091.70-19,447.20-7,804.21

Finding the Fourth Proportional to 14,091.70, 19,447.20 and 7,804.21

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Solution

The fourth proportional to 14,091.70, 19,447.20 and 7,804.21 is: 10,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.70 : 19,447.20 = 7,804.21 : x
  2. Step 2: Convert to fraction form
    14,091.70/19,447.20 = 7,804.21/x
  3. Step 3: Cross multiply
    14,091.70x = 19,447.20 × 7,804.21
  4. Step 4: Simplify right side
    14,091.70x = 151,770,032.71
  5. Step 5: Solve for x
    x = 151,770,032.71/14,091.70
  6. Step 6: Final answer
    x = 10,770.17

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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.