Home / 18,133.07-27,199.59-6,446.75

Finding the Fourth Proportional to 18,133.07, 27,199.59 and 6,446.75

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Solution

The fourth proportional to 18,133.07, 27,199.59 and 6,446.75 is: 9,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.07 : 27,199.59 = 6,446.75 : x
  2. Step 2: Convert to fraction form
    18,133.07/27,199.59 = 6,446.75/x
  3. Step 3: Cross multiply
    18,133.07x = 27,199.59 × 6,446.75
  4. Step 4: Simplify right side
    18,133.07x = 175,348,956.83
  5. Step 5: Solve for x
    x = 175,348,956.83/18,133.07
  6. Step 6: Final answer
    x = 9,670.12

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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.