Home / 11,744.34-16,207.17-6,439.50

Finding the Fourth Proportional to 11,744.34, 16,207.17 and 6,439.50

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Solution

The fourth proportional to 11,744.34, 16,207.17 and 6,439.50 is: 8,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.34 : 16,207.17 = 6,439.50 : x
  2. Step 2: Convert to fraction form
    11,744.34/16,207.17 = 6,439.50/x
  3. Step 3: Cross multiply
    11,744.34x = 16,207.17 × 6,439.50
  4. Step 4: Simplify right side
    11,744.34x = 104,366,071.22
  5. Step 5: Solve for x
    x = 104,366,071.22/11,744.34
  6. Step 6: Final answer
    x = 8,886.50

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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.