Home / 13,933.94-19,229.14-7,646.32

Finding the Fourth Proportional to 13,933.94, 19,229.14 and 7,646.32

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Solution

The fourth proportional to 13,933.94, 19,229.14 and 7,646.32 is: 10,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.94 : 19,229.14 = 7,646.32 : x
  2. Step 2: Convert to fraction form
    13,933.94/19,229.14 = 7,646.32/x
  3. Step 3: Cross multiply
    13,933.94x = 19,229.14 × 7,646.32
  4. Step 4: Simplify right side
    13,933.94x = 147,032,157.76
  5. Step 5: Solve for x
    x = 147,032,157.76/13,933.94
  6. Step 6: Final answer
    x = 10,552.09

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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.