Home / 10,223.21-15,331.55-3,296.09

Finding the Fourth Proportional to 10,223.21, 15,331.55 and 3,296.09

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Solution

The fourth proportional to 10,223.21, 15,331.55 and 3,296.09 is: 4,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.21 : 15,331.55 = 3,296.09 : x
  2. Step 2: Convert to fraction form
    10,223.21/15,331.55 = 3,296.09/x
  3. Step 3: Cross multiply
    10,223.21x = 15,331.55 × 3,296.09
  4. Step 4: Simplify right side
    10,223.21x = 50,534,075.50
  5. Step 5: Solve for x
    x = 50,534,075.50/10,223.21
  6. Step 6: Final answer
    x = 4,943.08

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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.