Home / 10,998.36-16,506.90-4,429.26

Finding the Fourth Proportional to 10,998.36, 16,506.90 and 4,429.26

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Solution

The fourth proportional to 10,998.36, 16,506.90 and 4,429.26 is: 6,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.36 : 16,506.90 = 4,429.26 : x
  2. Step 2: Convert to fraction form
    10,998.36/16,506.90 = 4,429.26/x
  3. Step 3: Cross multiply
    10,998.36x = 16,506.90 × 4,429.26
  4. Step 4: Simplify right side
    10,998.36x = 73,113,351.89
  5. Step 5: Solve for x
    x = 73,113,351.89/10,998.36
  6. Step 6: Final answer
    x = 6,647.66

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1.5x scale

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.