Home / 12,026.08-18,028.08-4,628.32

Finding the Fourth Proportional to 12,026.08, 18,028.08 and 4,628.32

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Solution

The fourth proportional to 12,026.08, 18,028.08 and 4,628.32 is: 6,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.08 : 18,028.08 = 4,628.32 : x
  2. Step 2: Convert to fraction form
    12,026.08/18,028.08 = 4,628.32/x
  3. Step 3: Cross multiply
    12,026.08x = 18,028.08 × 4,628.32
  4. Step 4: Simplify right side
    12,026.08x = 83,439,723.23
  5. Step 5: Solve for x
    x = 83,439,723.23/12,026.08
  6. Step 6: Final answer
    x = 6,938.23

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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.