Home / 11,621.52-17,431.74-4,700.88

Finding the Fourth Proportional to 11,621.52, 17,431.74 and 4,700.88

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Solution

The fourth proportional to 11,621.52, 17,431.74 and 4,700.88 is: 7,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.52 : 17,431.74 = 4,700.88 : x
  2. Step 2: Convert to fraction form
    11,621.52/17,431.74 = 4,700.88/x
  3. Step 3: Cross multiply
    11,621.52x = 17,431.74 × 4,700.88
  4. Step 4: Simplify right side
    11,621.52x = 81,944,517.93
  5. Step 5: Solve for x
    x = 81,944,517.93/11,621.52
  6. Step 6: Final answer
    x = 7,051.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.