Home / 18,271.27-25,213.72-10,205.35

Finding the Fourth Proportional to 18,271.27, 25,213.72 and 10,205.35

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Solution

The fourth proportional to 18,271.27, 25,213.72 and 10,205.35 is: 14,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.27 : 25,213.72 = 10,205.35 : x
  2. Step 2: Convert to fraction form
    18,271.27/25,213.72 = 10,205.35/x
  3. Step 3: Cross multiply
    18,271.27x = 25,213.72 × 10,205.35
  4. Step 4: Simplify right side
    18,271.27x = 257,314,660.31
  5. Step 5: Solve for x
    x = 257,314,660.31/18,271.27
  6. Step 6: Final answer
    x = 14,083.02

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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.