Home / 12,425.60-18,638.62-3,065.64

Finding the Fourth Proportional to 12,425.60, 18,638.62 and 3,065.64

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Solution

The fourth proportional to 12,425.60, 18,638.62 and 3,065.64 is: 4,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.60 : 18,638.62 = 3,065.64 : x
  2. Step 2: Convert to fraction form
    12,425.60/18,638.62 = 3,065.64/x
  3. Step 3: Cross multiply
    12,425.60x = 18,638.62 × 3,065.64
  4. Step 4: Simplify right side
    12,425.60x = 57,139,299.02
  5. Step 5: Solve for x
    x = 57,139,299.02/12,425.60
  6. Step 6: Final answer
    x = 4,598.51

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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.