Home / 13,010.21-19,517.18-4,243.07

Finding the Fourth Proportional to 13,010.21, 19,517.18 and 4,243.07

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Solution

The fourth proportional to 13,010.21, 19,517.18 and 4,243.07 is: 6,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.21 : 19,517.18 = 4,243.07 : x
  2. Step 2: Convert to fraction form
    13,010.21/19,517.18 = 4,243.07/x
  3. Step 3: Cross multiply
    13,010.21x = 19,517.18 × 4,243.07
  4. Step 4: Simplify right side
    13,010.21x = 82,812,642.14
  5. Step 5: Solve for x
    x = 82,812,642.14/13,010.21
  6. Step 6: Final answer
    x = 6,365.21

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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.