Home / 15,411.56-23,072.27-13,934.21

Finding the Fourth Proportional to 15,411.56, 23,072.27 and 13,934.21

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Solution

The fourth proportional to 15,411.56, 23,072.27 and 13,934.21 is: 20,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.56 : 23,072.27 = 13,934.21 : x
  2. Step 2: Convert to fraction form
    15,411.56/23,072.27 = 13,934.21/x
  3. Step 3: Cross multiply
    15,411.56x = 23,072.27 × 13,934.21
  4. Step 4: Simplify right side
    15,411.56x = 321,493,670.32
  5. Step 5: Solve for x
    x = 321,493,670.32/15,411.56
  6. Step 6: Final answer
    x = 20,860.56

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1.5x scale

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.