Home / 10,106.68-15,161.22-3,535.16

Finding the Fourth Proportional to 10,106.68, 15,161.22 and 3,535.16

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Solution

The fourth proportional to 10,106.68, 15,161.22 and 3,535.16 is: 5,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.68 : 15,161.22 = 3,535.16 : x
  2. Step 2: Convert to fraction form
    10,106.68/15,161.22 = 3,535.16/x
  3. Step 3: Cross multiply
    10,106.68x = 15,161.22 × 3,535.16
  4. Step 4: Simplify right side
    10,106.68x = 53,597,338.50
  5. Step 5: Solve for x
    x = 53,597,338.50/10,106.68
  6. Step 6: Final answer
    x = 5,303.16

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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.