Home / 12,385.33-18,582.86-4,599.61

Finding the Fourth Proportional to 12,385.33, 18,582.86 and 4,599.61

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Solution

The fourth proportional to 12,385.33, 18,582.86 and 4,599.61 is: 6,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.33 : 18,582.86 = 4,599.61 : x
  2. Step 2: Convert to fraction form
    12,385.33/18,582.86 = 4,599.61/x
  3. Step 3: Cross multiply
    12,385.33x = 18,582.86 × 4,599.61
  4. Step 4: Simplify right side
    12,385.33x = 85,473,908.68
  5. Step 5: Solve for x
    x = 85,473,908.68/12,385.33
  6. Step 6: Final answer
    x = 6,901.22

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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.