Home / 15,886.85-23,828.45-4,200.98

Finding the Fourth Proportional to 15,886.85, 23,828.45 and 4,200.98

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Solution

The fourth proportional to 15,886.85, 23,828.45 and 4,200.98 is: 6,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.85 : 23,828.45 = 4,200.98 : x
  2. Step 2: Convert to fraction form
    15,886.85/23,828.45 = 4,200.98/x
  3. Step 3: Cross multiply
    15,886.85x = 23,828.45 × 4,200.98
  4. Step 4: Simplify right side
    15,886.85x = 100,102,791.09
  5. Step 5: Solve for x
    x = 100,102,791.09/15,886.85
  6. Step 6: Final answer
    x = 6,300.98

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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.