Home / 12,402.95-18,602.36-4,083.07

Finding the Fourth Proportional to 12,402.95, 18,602.36 and 4,083.07

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Solution

The fourth proportional to 12,402.95, 18,602.36 and 4,083.07 is: 6,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.95 : 18,602.36 = 4,083.07 : x
  2. Step 2: Convert to fraction form
    12,402.95/18,602.36 = 4,083.07/x
  3. Step 3: Cross multiply
    12,402.95x = 18,602.36 × 4,083.07
  4. Step 4: Simplify right side
    12,402.95x = 75,954,738.05
  5. Step 5: Solve for x
    x = 75,954,738.05/12,402.95
  6. Step 6: Final answer
    x = 6,123.93

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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.