Home / 10,437.36-15,656.04-3,855.88

Finding the Fourth Proportional to 10,437.36, 15,656.04 and 3,855.88

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Solution

The fourth proportional to 10,437.36, 15,656.04 and 3,855.88 is: 5,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.36 : 15,656.04 = 3,855.88 : x
  2. Step 2: Convert to fraction form
    10,437.36/15,656.04 = 3,855.88/x
  3. Step 3: Cross multiply
    10,437.36x = 15,656.04 × 3,855.88
  4. Step 4: Simplify right side
    10,437.36x = 60,367,811.52
  5. Step 5: Solve for x
    x = 60,367,811.52/10,437.36
  6. Step 6: Final answer
    x = 5,783.82

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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.