Home / 12,089.54-18,134.51-4,298.15

Finding the Fourth Proportional to 12,089.54, 18,134.51 and 4,298.15

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Solution

The fourth proportional to 12,089.54, 18,134.51 and 4,298.15 is: 6,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.54 : 18,134.51 = 4,298.15 : x
  2. Step 2: Convert to fraction form
    12,089.54/18,134.51 = 4,298.15/x
  3. Step 3: Cross multiply
    12,089.54x = 18,134.51 × 4,298.15
  4. Step 4: Simplify right side
    12,089.54x = 77,944,731.99
  5. Step 5: Solve for x
    x = 77,944,731.99/12,089.54
  6. Step 6: Final answer
    x = 6,447.29

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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.