Home / 13,933.88-19,229.09-7,646.25

Finding the Fourth Proportional to 13,933.88, 19,229.09 and 7,646.25

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Solution

The fourth proportional to 13,933.88, 19,229.09 and 7,646.25 is: 10,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.88 : 19,229.09 = 7,646.25 : x
  2. Step 2: Convert to fraction form
    13,933.88/19,229.09 = 7,646.25/x
  3. Step 3: Cross multiply
    13,933.88x = 19,229.09 × 7,646.25
  4. Step 4: Simplify right side
    13,933.88x = 147,030,429.41
  5. Step 5: Solve for x
    x = 147,030,429.41/13,933.88
  6. Step 6: Final answer
    x = 10,552.01

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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.