Home / 12,621.44-18,916.67-6,299.19

Finding the Fourth Proportional to 12,621.44, 18,916.67 and 6,299.19

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Solution

The fourth proportional to 12,621.44, 18,916.67 and 6,299.19 is: 9,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.44 : 18,916.67 = 6,299.19 : x
  2. Step 2: Convert to fraction form
    12,621.44/18,916.67 = 6,299.19/x
  3. Step 3: Cross multiply
    12,621.44x = 18,916.67 × 6,299.19
  4. Step 4: Simplify right side
    12,621.44x = 119,159,714.25
  5. Step 5: Solve for x
    x = 119,159,714.25/12,621.44
  6. Step 6: Final answer
    x = 9,441.05

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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.