Home / 15,282.32-21,090.38-8,568.63

Finding the Fourth Proportional to 15,282.32, 21,090.38 and 8,568.63

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Solution

The fourth proportional to 15,282.32, 21,090.38 and 8,568.63 is: 11,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.32 : 21,090.38 = 8,568.63 : x
  2. Step 2: Convert to fraction form
    15,282.32/21,090.38 = 8,568.63/x
  3. Step 3: Cross multiply
    15,282.32x = 21,090.38 × 8,568.63
  4. Step 4: Simplify right side
    15,282.32x = 180,715,619.94
  5. Step 5: Solve for x
    x = 180,715,619.94/15,282.32
  6. Step 6: Final answer
    x = 11,825.15

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1.5x scale

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.