Home / 12,628.55-18,938.73-5,964.02

Finding the Fourth Proportional to 12,628.55, 18,938.73 and 5,964.02

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Solution

The fourth proportional to 12,628.55, 18,938.73 and 5,964.02 is: 8,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.55 : 18,938.73 = 5,964.02 : x
  2. Step 2: Convert to fraction form
    12,628.55/18,938.73 = 5,964.02/x
  3. Step 3: Cross multiply
    12,628.55x = 18,938.73 × 5,964.02
  4. Step 4: Simplify right side
    12,628.55x = 112,950,964.49
  5. Step 5: Solve for x
    x = 112,950,964.49/12,628.55
  6. Step 6: Final answer
    x = 8,944.10

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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.