Home / 15,287.42-21,096.39-8,573.04

Finding the Fourth Proportional to 15,287.42, 21,096.39 and 8,573.04

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Solution

The fourth proportional to 15,287.42, 21,096.39 and 8,573.04 is: 11,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.42 : 21,096.39 = 8,573.04 : x
  2. Step 2: Convert to fraction form
    15,287.42/21,096.39 = 8,573.04/x
  3. Step 3: Cross multiply
    15,287.42x = 21,096.39 × 8,573.04
  4. Step 4: Simplify right side
    15,287.42x = 180,860,195.33
  5. Step 5: Solve for x
    x = 180,860,195.33/15,287.42
  6. Step 6: Final answer
    x = 11,830.66

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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.