Home / 12,443.22-18,662.40-4,652.64

Finding the Fourth Proportional to 12,443.22, 18,662.40 and 4,652.64

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Solution

The fourth proportional to 12,443.22, 18,662.40 and 4,652.64 is: 6,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.22 : 18,662.40 = 4,652.64 : x
  2. Step 2: Convert to fraction form
    12,443.22/18,662.40 = 4,652.64/x
  3. Step 3: Cross multiply
    12,443.22x = 18,662.40 × 4,652.64
  4. Step 4: Simplify right side
    12,443.22x = 86,829,428.74
  5. Step 5: Solve for x
    x = 86,829,428.74/12,443.22
  6. Step 6: Final answer
    x = 6,978.05

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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.