Home / 18,994.24-28,475.76-12,337.60

Finding the Fourth Proportional to 18,994.24, 28,475.76 and 12,337.60

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Solution

The fourth proportional to 18,994.24, 28,475.76 and 12,337.60 is: 18,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.24 : 28,475.76 = 12,337.60 : x
  2. Step 2: Convert to fraction form
    18,994.24/28,475.76 = 12,337.60/x
  3. Step 3: Cross multiply
    18,994.24x = 28,475.76 × 12,337.60
  4. Step 4: Simplify right side
    18,994.24x = 351,322,536.58
  5. Step 5: Solve for x
    x = 351,322,536.58/18,994.24
  6. Step 6: Final answer
    x = 18,496.27

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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.