Home / 8,986.68-13,480-2,412.32

Finding the Fourth Proportional to 8,986.68, 13,480 and 2,412.32

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Solution

The fourth proportional to 8,986.68, 13,480 and 2,412.32 is: 3,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.68 : 13,480 = 2,412.32 : x
  2. Step 2: Convert to fraction form
    8,986.68/13,480 = 2,412.32/x
  3. Step 3: Cross multiply
    8,986.68x = 13,480 × 2,412.32
  4. Step 4: Simplify right side
    8,986.68x = 32,518,073.60
  5. Step 5: Solve for x
    x = 32,518,073.60/8,986.68
  6. Step 6: Final answer
    x = 3,618.47

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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.