Home / 18,521.63-27,776.68-6,206.75

Finding the Fourth Proportional to 18,521.63, 27,776.68 and 6,206.75

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Solution

The fourth proportional to 18,521.63, 27,776.68 and 6,206.75 is: 9,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.63 : 27,776.68 = 6,206.75 : x
  2. Step 2: Convert to fraction form
    18,521.63/27,776.68 = 6,206.75/x
  3. Step 3: Cross multiply
    18,521.63x = 27,776.68 × 6,206.75
  4. Step 4: Simplify right side
    18,521.63x = 172,402,908.59
  5. Step 5: Solve for x
    x = 172,402,908.59/18,521.63
  6. Step 6: Final answer
    x = 9,308.19

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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.