Home / 15,230.26-21,018.57-9,182.43

Finding the Fourth Proportional to 15,230.26, 21,018.57 and 9,182.43

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Solution

The fourth proportional to 15,230.26, 21,018.57 and 9,182.43 is: 12,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.26 : 21,018.57 = 9,182.43 : x
  2. Step 2: Convert to fraction form
    15,230.26/21,018.57 = 9,182.43/x
  3. Step 3: Cross multiply
    15,230.26x = 21,018.57 × 9,182.43
  4. Step 4: Simplify right side
    15,230.26x = 193,001,600.27
  5. Step 5: Solve for x
    x = 193,001,600.27/15,230.26
  6. Step 6: Final answer
    x = 12,672.25

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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.