Home / 12,550.35-17,319.72-6,885.39

Finding the Fourth Proportional to 12,550.35, 17,319.72 and 6,885.39

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Solution

The fourth proportional to 12,550.35, 17,319.72 and 6,885.39 is: 9,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.35 : 17,319.72 = 6,885.39 : x
  2. Step 2: Convert to fraction form
    12,550.35/17,319.72 = 6,885.39/x
  3. Step 3: Cross multiply
    12,550.35x = 17,319.72 × 6,885.39
  4. Step 4: Simplify right side
    12,550.35x = 119,252,962.14
  5. Step 5: Solve for x
    x = 119,252,962.14/12,550.35
  6. Step 6: Final answer
    x = 9,501.96

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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.