Home / 11,923.56-17,885.46-3,159.36

Finding the Fourth Proportional to 11,923.56, 17,885.46 and 3,159.36

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Solution

The fourth proportional to 11,923.56, 17,885.46 and 3,159.36 is: 4,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.56 : 17,885.46 = 3,159.36 : x
  2. Step 2: Convert to fraction form
    11,923.56/17,885.46 = 3,159.36/x
  3. Step 3: Cross multiply
    11,923.56x = 17,885.46 × 3,159.36
  4. Step 4: Simplify right side
    11,923.56x = 56,506,606.91
  5. Step 5: Solve for x
    x = 56,506,606.91/11,923.56
  6. Step 6: Final answer
    x = 4,739.07

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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.