Home / 12,866.36-19,299.90-3,632.36

Finding the Fourth Proportional to 12,866.36, 19,299.90 and 3,632.36

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Solution

The fourth proportional to 12,866.36, 19,299.90 and 3,632.36 is: 5,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.36 : 19,299.90 = 3,632.36 : x
  2. Step 2: Convert to fraction form
    12,866.36/19,299.90 = 3,632.36/x
  3. Step 3: Cross multiply
    12,866.36x = 19,299.90 × 3,632.36
  4. Step 4: Simplify right side
    12,866.36x = 70,104,184.76
  5. Step 5: Solve for x
    x = 70,104,184.76/12,866.36
  6. Step 6: Final answer
    x = 5,448.64

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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.