Home / 12,550.46-17,319.87-6,885.50

Finding the Fourth Proportional to 12,550.46, 17,319.87 and 6,885.50

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Solution

The fourth proportional to 12,550.46, 17,319.87 and 6,885.50 is: 9,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.46 : 17,319.87 = 6,885.50 : x
  2. Step 2: Convert to fraction form
    12,550.46/17,319.87 = 6,885.50/x
  3. Step 3: Cross multiply
    12,550.46x = 17,319.87 × 6,885.50
  4. Step 4: Simplify right side
    12,550.46x = 119,255,930.46
  5. Step 5: Solve for x
    x = 119,255,930.46/12,550.46
  6. Step 6: Final answer
    x = 9,502.12

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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.