Home / 19,160.93-28,741.41-5,309.93

Finding the Fourth Proportional to 19,160.93, 28,741.41 and 5,309.93

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Solution

The fourth proportional to 19,160.93, 28,741.41 and 5,309.93 is: 7,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.93 : 28,741.41 = 5,309.93 : x
  2. Step 2: Convert to fraction form
    19,160.93/28,741.41 = 5,309.93/x
  3. Step 3: Cross multiply
    19,160.93x = 28,741.41 × 5,309.93
  4. Step 4: Simplify right side
    19,160.93x = 152,614,947.05
  5. Step 5: Solve for x
    x = 152,614,947.05/19,160.93
  6. Step 6: Final answer
    x = 7,964.90

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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.