Home / 10,980.60-16,465.30-3,580.31

Finding the Fourth Proportional to 10,980.60, 16,465.30 and 3,580.31

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Solution

The fourth proportional to 10,980.60, 16,465.30 and 3,580.31 is: 5,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.60 : 16,465.30 = 3,580.31 : x
  2. Step 2: Convert to fraction form
    10,980.60/16,465.30 = 3,580.31/x
  3. Step 3: Cross multiply
    10,980.60x = 16,465.30 × 3,580.31
  4. Step 4: Simplify right side
    10,980.60x = 58,950,878.24
  5. Step 5: Solve for x
    x = 58,950,878.24/10,980.60
  6. Step 6: Final answer
    x = 5,368.64

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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.