Home / 12,258.60-18,392.70-4,468.20

Finding the Fourth Proportional to 12,258.60, 18,392.70 and 4,468.20

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Solution

The fourth proportional to 12,258.60, 18,392.70 and 4,468.20 is: 6,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.60 : 18,392.70 = 4,468.20 : x
  2. Step 2: Convert to fraction form
    12,258.60/18,392.70 = 4,468.20/x
  3. Step 3: Cross multiply
    12,258.60x = 18,392.70 × 4,468.20
  4. Step 4: Simplify right side
    12,258.60x = 82,182,262.14
  5. Step 5: Solve for x
    x = 82,182,262.14/12,258.60
  6. Step 6: Final answer
    x = 6,704.05

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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.