Home / 12,375.64-18,560.22-4,580.20

Finding the Fourth Proportional to 12,375.64, 18,560.22 and 4,580.20

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Solution

The fourth proportional to 12,375.64, 18,560.22 and 4,580.20 is: 6,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.64 : 18,560.22 = 4,580.20 : x
  2. Step 2: Convert to fraction form
    12,375.64/18,560.22 = 4,580.20/x
  3. Step 3: Cross multiply
    12,375.64x = 18,560.22 × 4,580.20
  4. Step 4: Simplify right side
    12,375.64x = 85,009,519.64
  5. Step 5: Solve for x
    x = 85,009,519.64/12,375.64
  6. Step 6: Final answer
    x = 6,869.10

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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.