Home / 10,973.10-16,435.35-9,029.10

Finding the Fourth Proportional to 10,973.10, 16,435.35 and 9,029.10

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Solution

The fourth proportional to 10,973.10, 16,435.35 and 9,029.10 is: 13,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.10 : 16,435.35 = 9,029.10 : x
  2. Step 2: Convert to fraction form
    10,973.10/16,435.35 = 9,029.10/x
  3. Step 3: Cross multiply
    10,973.10x = 16,435.35 × 9,029.10
  4. Step 4: Simplify right side
    10,973.10x = 148,396,418.69
  5. Step 5: Solve for x
    x = 148,396,418.69/10,973.10
  6. Step 6: Final answer
    x = 13,523.66

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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.