Home / 11,351.08-16,979.58-10,271.08

Finding the Fourth Proportional to 11,351.08, 16,979.58 and 10,271.08

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Solution

The fourth proportional to 11,351.08, 16,979.58 and 10,271.08 is: 15,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.08 : 16,979.58 = 10,271.08 : x
  2. Step 2: Convert to fraction form
    11,351.08/16,979.58 = 10,271.08/x
  3. Step 3: Cross multiply
    11,351.08x = 16,979.58 × 10,271.08
  4. Step 4: Simplify right side
    11,351.08x = 174,398,624.55
  5. Step 5: Solve for x
    x = 174,398,624.55/11,351.08
  6. Step 6: Final answer
    x = 15,364.06

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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.