Home / 12,610.68-18,913.58-4,817.64

Finding the Fourth Proportional to 12,610.68, 18,913.58 and 4,817.64

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Solution

The fourth proportional to 12,610.68, 18,913.58 and 4,817.64 is: 7,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.68 : 18,913.58 = 4,817.64 : x
  2. Step 2: Convert to fraction form
    12,610.68/18,913.58 = 4,817.64/x
  3. Step 3: Cross multiply
    12,610.68x = 18,913.58 × 4,817.64
  4. Step 4: Simplify right side
    12,610.68x = 91,118,819.55
  5. Step 5: Solve for x
    x = 91,118,819.55/12,610.68
  6. Step 6: Final answer
    x = 7,225.53

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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.