Home / 15,268.12-21,073.26-8,984.08

Finding the Fourth Proportional to 15,268.12, 21,073.26 and 8,984.08

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Solution

The fourth proportional to 15,268.12, 21,073.26 and 8,984.08 is: 12,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.12 : 21,073.26 = 8,984.08 : x
  2. Step 2: Convert to fraction form
    15,268.12/21,073.26 = 8,984.08/x
  3. Step 3: Cross multiply
    15,268.12x = 21,073.26 × 8,984.08
  4. Step 4: Simplify right side
    15,268.12x = 189,323,853.70
  5. Step 5: Solve for x
    x = 189,323,853.70/15,268.12
  6. Step 6: Final answer
    x = 12,399.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.