Home / 13,968.94-19,277.22-7,681.36

Finding the Fourth Proportional to 13,968.94, 19,277.22 and 7,681.36

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Solution

The fourth proportional to 13,968.94, 19,277.22 and 7,681.36 is: 10,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.94 : 19,277.22 = 7,681.36 : x
  2. Step 2: Convert to fraction form
    13,968.94/19,277.22 = 7,681.36/x
  3. Step 3: Cross multiply
    13,968.94x = 19,277.22 × 7,681.36
  4. Step 4: Simplify right side
    13,968.94x = 148,075,266.62
  5. Step 5: Solve for x
    x = 148,075,266.62/13,968.94
  6. Step 6: Final answer
    x = 10,600.32

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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.