Home / 19,360.69-29,037.56-5,129.26

Finding the Fourth Proportional to 19,360.69, 29,037.56 and 5,129.26

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Solution

The fourth proportional to 19,360.69, 29,037.56 and 5,129.26 is: 7,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.69 : 29,037.56 = 5,129.26 : x
  2. Step 2: Convert to fraction form
    19,360.69/29,037.56 = 5,129.26/x
  3. Step 3: Cross multiply
    19,360.69x = 29,037.56 × 5,129.26
  4. Step 4: Simplify right side
    19,360.69x = 148,941,096.77
  5. Step 5: Solve for x
    x = 148,941,096.77/19,360.69
  6. Step 6: Final answer
    x = 7,692.97

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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.