Home / 12,550.19-17,319.67-6,885.41

Finding the Fourth Proportional to 12,550.19, 17,319.67 and 6,885.41

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Solution

The fourth proportional to 12,550.19, 17,319.67 and 6,885.41 is: 9,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.19 : 17,319.67 = 6,885.41 : x
  2. Step 2: Convert to fraction form
    12,550.19/17,319.67 = 6,885.41/x
  3. Step 3: Cross multiply
    12,550.19x = 17,319.67 × 6,885.41
  4. Step 4: Simplify right side
    12,550.19x = 119,252,963.93
  5. Step 5: Solve for x
    x = 119,252,963.93/12,550.19
  6. Step 6: Final answer
    x = 9,502.08

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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.