Home / 15,274.44-23,015.72-12,561.88

Finding the Fourth Proportional to 15,274.44, 23,015.72 and 12,561.88

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Solution

The fourth proportional to 15,274.44, 23,015.72 and 12,561.88 is: 18,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.44 : 23,015.72 = 12,561.88 : x
  2. Step 2: Convert to fraction form
    15,274.44/23,015.72 = 12,561.88/x
  3. Step 3: Cross multiply
    15,274.44x = 23,015.72 × 12,561.88
  4. Step 4: Simplify right side
    15,274.44x = 289,120,712.75
  5. Step 5: Solve for x
    x = 289,120,712.75/15,274.44
  6. Step 6: Final answer
    x = 18,928.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.