Home / 12,028.54-18,038.22-5,784.62

Finding the Fourth Proportional to 12,028.54, 18,038.22 and 5,784.62

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Solution

The fourth proportional to 12,028.54, 18,038.22 and 5,784.62 is: 8,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.54 : 18,038.22 = 5,784.62 : x
  2. Step 2: Convert to fraction form
    12,028.54/18,038.22 = 5,784.62/x
  3. Step 3: Cross multiply
    12,028.54x = 18,038.22 × 5,784.62
  4. Step 4: Simplify right side
    12,028.54x = 104,344,248.18
  5. Step 5: Solve for x
    x = 104,344,248.18/12,028.54
  6. Step 6: Final answer
    x = 8,674.72

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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.