Home / 18,120.26-25,006.02-10,571.80

Finding the Fourth Proportional to 18,120.26, 25,006.02 and 10,571.80

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Solution

The fourth proportional to 18,120.26, 25,006.02 and 10,571.80 is: 14,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.26 : 25,006.02 = 10,571.80 : x
  2. Step 2: Convert to fraction form
    18,120.26/25,006.02 = 10,571.80/x
  3. Step 3: Cross multiply
    18,120.26x = 25,006.02 × 10,571.80
  4. Step 4: Simplify right side
    18,120.26x = 264,358,642.24
  5. Step 5: Solve for x
    x = 264,358,642.24/18,120.26
  6. Step 6: Final answer
    x = 14,589.12

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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.