Home / 18,117.09-25,002.41-10,563.57

Finding the Fourth Proportional to 18,117.09, 25,002.41 and 10,563.57

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Solution

The fourth proportional to 18,117.09, 25,002.41 and 10,563.57 is: 14,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.09 : 25,002.41 = 10,563.57 : x
  2. Step 2: Convert to fraction form
    18,117.09/25,002.41 = 10,563.57/x
  3. Step 3: Cross multiply
    18,117.09x = 25,002.41 × 10,563.57
  4. Step 4: Simplify right side
    18,117.09x = 264,114,655.39
  5. Step 5: Solve for x
    x = 264,114,655.39/18,117.09
  6. Step 6: Final answer
    x = 14,578.21

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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.