Home / 18,621.58-25,697.13-10,238.02

Finding the Fourth Proportional to 18,621.58, 25,697.13 and 10,238.02

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Solution

The fourth proportional to 18,621.58, 25,697.13 and 10,238.02 is: 14,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.58 : 25,697.13 = 10,238.02 : x
  2. Step 2: Convert to fraction form
    18,621.58/25,697.13 = 10,238.02/x
  3. Step 3: Cross multiply
    18,621.58x = 25,697.13 × 10,238.02
  4. Step 4: Simplify right side
    18,621.58x = 263,087,730.88
  5. Step 5: Solve for x
    x = 263,087,730.88/18,621.58
  6. Step 6: Final answer
    x = 14,128.11

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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.