Home / 10,367.52-15,555.86-5,435.98

Finding the Fourth Proportional to 10,367.52, 15,555.86 and 5,435.98

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Solution

The fourth proportional to 10,367.52, 15,555.86 and 5,435.98 is: 8,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.52 : 15,555.86 = 5,435.98 : x
  2. Step 2: Convert to fraction form
    10,367.52/15,555.86 = 5,435.98/x
  3. Step 3: Cross multiply
    10,367.52x = 15,555.86 × 5,435.98
  4. Step 4: Simplify right side
    10,367.52x = 84,561,343.84
  5. Step 5: Solve for x
    x = 84,561,343.84/10,367.52
  6. Step 6: Final answer
    x = 8,156.37

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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.