Home / 11,293.40-16,907.70-9,997.40

Finding the Fourth Proportional to 11,293.40, 16,907.70 and 9,997.40

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Solution

The fourth proportional to 11,293.40, 16,907.70 and 9,997.40 is: 14,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.40 : 16,907.70 = 9,997.40 : x
  2. Step 2: Convert to fraction form
    11,293.40/16,907.70 = 9,997.40/x
  3. Step 3: Cross multiply
    11,293.40x = 16,907.70 × 9,997.40
  4. Step 4: Simplify right side
    11,293.40x = 169,033,039.98
  5. Step 5: Solve for x
    x = 169,033,039.98/11,293.40
  6. Step 6: Final answer
    x = 14,967.42

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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.