Home / 13,896.02-19,175.94-7,926.53

Finding the Fourth Proportional to 13,896.02, 19,175.94 and 7,926.53

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Solution

The fourth proportional to 13,896.02, 19,175.94 and 7,926.53 is: 10,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.02 : 19,175.94 = 7,926.53 : x
  2. Step 2: Convert to fraction form
    13,896.02/19,175.94 = 7,926.53/x
  3. Step 3: Cross multiply
    13,896.02x = 19,175.94 × 7,926.53
  4. Step 4: Simplify right side
    13,896.02x = 151,998,567.81
  5. Step 5: Solve for x
    x = 151,998,567.81/13,896.02
  6. Step 6: Final answer
    x = 10,938.28

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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.