Home / 13,617.27-18,792.25-7,649.06

Finding the Fourth Proportional to 13,617.27, 18,792.25 and 7,649.06

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Solution

The fourth proportional to 13,617.27, 18,792.25 and 7,649.06 is: 10,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.27 : 18,792.25 = 7,649.06 : x
  2. Step 2: Convert to fraction form
    13,617.27/18,792.25 = 7,649.06/x
  3. Step 3: Cross multiply
    13,617.27x = 18,792.25 × 7,649.06
  4. Step 4: Simplify right side
    13,617.27x = 143,743,047.79
  5. Step 5: Solve for x
    x = 143,743,047.79/13,617.27
  6. Step 6: Final answer
    x = 10,555.94

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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.