Home / 11,621.19-17,439.12-4,226.16

Finding the Fourth Proportional to 11,621.19, 17,439.12 and 4,226.16

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Solution

The fourth proportional to 11,621.19, 17,439.12 and 4,226.16 is: 6,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.19 : 17,439.12 = 4,226.16 : x
  2. Step 2: Convert to fraction form
    11,621.19/17,439.12 = 4,226.16/x
  3. Step 3: Cross multiply
    11,621.19x = 17,439.12 × 4,226.16
  4. Step 4: Simplify right side
    11,621.19x = 73,700,511.38
  5. Step 5: Solve for x
    x = 73,700,511.38/11,621.19
  6. Step 6: Final answer
    x = 6,341.91

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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.