Home / 18,206.84-27,320.86-7,676.22

Finding the Fourth Proportional to 18,206.84, 27,320.86 and 7,676.22

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Solution

The fourth proportional to 18,206.84, 27,320.86 and 7,676.22 is: 11,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.84 : 27,320.86 = 7,676.22 : x
  2. Step 2: Convert to fraction form
    18,206.84/27,320.86 = 7,676.22/x
  3. Step 3: Cross multiply
    18,206.84x = 27,320.86 × 7,676.22
  4. Step 4: Simplify right side
    18,206.84x = 209,720,931.95
  5. Step 5: Solve for x
    x = 209,720,931.95/18,206.84
  6. Step 6: Final answer
    x = 11,518.80

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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.