Home / 15,871.57-23,807.97-4,779.83

Finding the Fourth Proportional to 15,871.57, 23,807.97 and 4,779.83

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Solution

The fourth proportional to 15,871.57, 23,807.97 and 4,779.83 is: 7,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.57 : 23,807.97 = 4,779.83 : x
  2. Step 2: Convert to fraction form
    15,871.57/23,807.97 = 4,779.83/x
  3. Step 3: Cross multiply
    15,871.57x = 23,807.97 × 4,779.83
  4. Step 4: Simplify right side
    15,871.57x = 113,798,049.25
  5. Step 5: Solve for x
    x = 113,798,049.25/15,871.57
  6. Step 6: Final answer
    x = 7,169.93

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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.