Home / 10,109.44-15,165.74-3,535.22

Finding the Fourth Proportional to 10,109.44, 15,165.74 and 3,535.22

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Solution

The fourth proportional to 10,109.44, 15,165.74 and 3,535.22 is: 5,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.44 : 15,165.74 = 3,535.22 : x
  2. Step 2: Convert to fraction form
    10,109.44/15,165.74 = 3,535.22/x
  3. Step 3: Cross multiply
    10,109.44x = 15,165.74 × 3,535.22
  4. Step 4: Simplify right side
    10,109.44x = 53,614,227.36
  5. Step 5: Solve for x
    x = 53,614,227.36/10,109.44
  6. Step 6: Final answer
    x = 5,303.38

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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.