Home / 11,744.36-16,206.48-6,439.22

Finding the Fourth Proportional to 11,744.36, 16,206.48 and 6,439.22

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Solution

The fourth proportional to 11,744.36, 16,206.48 and 6,439.22 is: 8,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.36 : 16,206.48 = 6,439.22 : x
  2. Step 2: Convert to fraction form
    11,744.36/16,206.48 = 6,439.22/x
  3. Step 3: Cross multiply
    11,744.36x = 16,206.48 × 6,439.22
  4. Step 4: Simplify right side
    11,744.36x = 104,357,009.11
  5. Step 5: Solve for x
    x = 104,357,009.11/11,744.36
  6. Step 6: Final answer
    x = 8,885.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.