Home / 12,269.29-18,405.66-4,874.50

Finding the Fourth Proportional to 12,269.29, 18,405.66 and 4,874.50

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Solution

The fourth proportional to 12,269.29, 18,405.66 and 4,874.50 is: 7,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.29 : 18,405.66 = 4,874.50 : x
  2. Step 2: Convert to fraction form
    12,269.29/18,405.66 = 4,874.50/x
  3. Step 3: Cross multiply
    12,269.29x = 18,405.66 × 4,874.50
  4. Step 4: Simplify right side
    12,269.29x = 89,718,389.67
  5. Step 5: Solve for x
    x = 89,718,389.67/12,269.29
  6. Step 6: Final answer
    x = 7,312.44

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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.