Home / 10,985.85-16,477.09-3,590.35

Finding the Fourth Proportional to 10,985.85, 16,477.09 and 3,590.35

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Solution

The fourth proportional to 10,985.85, 16,477.09 and 3,590.35 is: 5,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.85 : 16,477.09 = 3,590.35 : x
  2. Step 2: Convert to fraction form
    10,985.85/16,477.09 = 3,590.35/x
  3. Step 3: Cross multiply
    10,985.85x = 16,477.09 × 3,590.35
  4. Step 4: Simplify right side
    10,985.85x = 59,158,469.91
  5. Step 5: Solve for x
    x = 59,158,469.91/10,985.85
  6. Step 6: Final answer
    x = 5,384.97

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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.