Home / 13,814.35-19,063.08-7,845.19

Finding the Fourth Proportional to 13,814.35, 19,063.08 and 7,845.19

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Solution

The fourth proportional to 13,814.35, 19,063.08 and 7,845.19 is: 10,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.35 : 19,063.08 = 7,845.19 : x
  2. Step 2: Convert to fraction form
    13,814.35/19,063.08 = 7,845.19/x
  3. Step 3: Cross multiply
    13,814.35x = 19,063.08 × 7,845.19
  4. Step 4: Simplify right side
    13,814.35x = 149,553,436.93
  5. Step 5: Solve for x
    x = 149,553,436.93/13,814.35
  6. Step 6: Final answer
    x = 10,825.95

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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.