Home / 12,452.68-18,681.99-4,661.56

Finding the Fourth Proportional to 12,452.68, 18,681.99 and 4,661.56

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Solution

The fourth proportional to 12,452.68, 18,681.99 and 4,661.56 is: 6,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.68 : 18,681.99 = 4,661.56 : x
  2. Step 2: Convert to fraction form
    12,452.68/18,681.99 = 4,661.56/x
  3. Step 3: Cross multiply
    12,452.68x = 18,681.99 × 4,661.56
  4. Step 4: Simplify right side
    12,452.68x = 87,087,217.30
  5. Step 5: Solve for x
    x = 87,087,217.30/12,452.68
  6. Step 6: Final answer
    x = 6,993.45

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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.