Home / 46,287.86-69,431.78-13,011.28

Finding the Fourth Proportional to 46,287.86, 69,431.78 and 13,011.28

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Solution

The fourth proportional to 46,287.86, 69,431.78 and 13,011.28 is: 19,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,287.86 : 69,431.78 = 13,011.28 : x
  2. Step 2: Convert to fraction form
    46,287.86/69,431.78 = 13,011.28/x
  3. Step 3: Cross multiply
    46,287.86x = 69,431.78 × 13,011.28
  4. Step 4: Simplify right side
    46,287.86x = 903,396,579.98
  5. Step 5: Solve for x
    x = 903,396,579.98/46,287.86
  6. Step 6: Final answer
    x = 19,516.92

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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.