Home / 13,005.77-19,511.75-4,240.69

Finding the Fourth Proportional to 13,005.77, 19,511.75 and 4,240.69

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Solution

The fourth proportional to 13,005.77, 19,511.75 and 4,240.69 is: 6,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.77 : 19,511.75 = 4,240.69 : x
  2. Step 2: Convert to fraction form
    13,005.77/19,511.75 = 4,240.69/x
  3. Step 3: Cross multiply
    13,005.77x = 19,511.75 × 4,240.69
  4. Step 4: Simplify right side
    13,005.77x = 82,743,244.93
  5. Step 5: Solve for x
    x = 82,743,244.93/13,005.77
  6. Step 6: Final answer
    x = 6,362.04

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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.