Home / 12,206.03-18,320.04-6,366.74

Finding the Fourth Proportional to 12,206.03, 18,320.04 and 6,366.74

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Solution

The fourth proportional to 12,206.03, 18,320.04 and 6,366.74 is: 9,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.03 : 18,320.04 = 6,366.74 : x
  2. Step 2: Convert to fraction form
    12,206.03/18,320.04 = 6,366.74/x
  3. Step 3: Cross multiply
    12,206.03x = 18,320.04 × 6,366.74
  4. Step 4: Simplify right side
    12,206.03x = 116,638,839.87
  5. Step 5: Solve for x
    x = 116,638,839.87/12,206.03
  6. Step 6: Final answer
    x = 9,555.84

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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.