Home / 12,303.74-18,446.04-5,729.06

Finding the Fourth Proportional to 12,303.74, 18,446.04 and 5,729.06

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Solution

The fourth proportional to 12,303.74, 18,446.04 and 5,729.06 is: 8,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.74 : 18,446.04 = 5,729.06 : x
  2. Step 2: Convert to fraction form
    12,303.74/18,446.04 = 5,729.06/x
  3. Step 3: Cross multiply
    12,303.74x = 18,446.04 × 5,729.06
  4. Step 4: Simplify right side
    12,303.74x = 105,678,469.92
  5. Step 5: Solve for x
    x = 105,678,469.92/12,303.74
  6. Step 6: Final answer
    x = 8,589.13

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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.