Home / 15,338.88-23,014.80-13,954.32

Finding the Fourth Proportional to 15,338.88, 23,014.80 and 13,954.32

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Solution

The fourth proportional to 15,338.88, 23,014.80 and 13,954.32 is: 20,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.88 : 23,014.80 = 13,954.32 : x
  2. Step 2: Convert to fraction form
    15,338.88/23,014.80 = 13,954.32/x
  3. Step 3: Cross multiply
    15,338.88x = 23,014.80 × 13,954.32
  4. Step 4: Simplify right side
    15,338.88x = 321,155,883.94
  5. Step 5: Solve for x
    x = 321,155,883.94/15,338.88
  6. Step 6: Final answer
    x = 20,937.38

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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.