Home / 12,797.72-19,173.18-9,279.01

Finding the Fourth Proportional to 12,797.72, 19,173.18 and 9,279.01

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Solution

The fourth proportional to 12,797.72, 19,173.18 and 9,279.01 is: 13,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.72 : 19,173.18 = 9,279.01 : x
  2. Step 2: Convert to fraction form
    12,797.72/19,173.18 = 9,279.01/x
  3. Step 3: Cross multiply
    12,797.72x = 19,173.18 × 9,279.01
  4. Step 4: Simplify right side
    12,797.72x = 177,908,033.09
  5. Step 5: Solve for x
    x = 177,908,033.09/12,797.72
  6. Step 6: Final answer
    x = 13,901.55

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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.