Home / 46,188.81-69,283.23-11,128.47

Finding the Fourth Proportional to 46,188.81, 69,283.23 and 11,128.47

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Solution

The fourth proportional to 46,188.81, 69,283.23 and 11,128.47 is: 16,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,188.81 : 69,283.23 = 11,128.47 : x
  2. Step 2: Convert to fraction form
    46,188.81/69,283.23 = 11,128.47/x
  3. Step 3: Cross multiply
    46,188.81x = 69,283.23 × 11,128.47
  4. Step 4: Simplify right side
    46,188.81x = 771,016,346.56
  5. Step 5: Solve for x
    x = 771,016,346.56/46,188.81
  6. Step 6: Final answer
    x = 16,692.71

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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.