Home / 13,172.77-19,737.21-9,268.97

Finding the Fourth Proportional to 13,172.77, 19,737.21 and 9,268.97

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Solution

The fourth proportional to 13,172.77, 19,737.21 and 9,268.97 is: 13,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.77 : 19,737.21 = 9,268.97 : x
  2. Step 2: Convert to fraction form
    13,172.77/19,737.21 = 9,268.97/x
  3. Step 3: Cross multiply
    13,172.77x = 19,737.21 × 9,268.97
  4. Step 4: Simplify right side
    13,172.77x = 182,943,607.37
  5. Step 5: Solve for x
    x = 182,943,607.37/13,172.77
  6. Step 6: Final answer
    x = 13,888.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.