Home / 13,965.47-19,266.89-7,993.95

Finding the Fourth Proportional to 13,965.47, 19,266.89 and 7,993.95

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Solution

The fourth proportional to 13,965.47, 19,266.89 and 7,993.95 is: 11,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.47 : 19,266.89 = 7,993.95 : x
  2. Step 2: Convert to fraction form
    13,965.47/19,266.89 = 7,993.95/x
  3. Step 3: Cross multiply
    13,965.47x = 19,266.89 × 7,993.95
  4. Step 4: Simplify right side
    13,965.47x = 154,018,555.32
  5. Step 5: Solve for x
    x = 154,018,555.32/13,965.47
  6. Step 6: Final answer
    x = 11,028.53

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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.