Home / 12,394.16-17,110.60-9,555.31

Finding the Fourth Proportional to 12,394.16, 17,110.60 and 9,555.31

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Solution

The fourth proportional to 12,394.16, 17,110.60 and 9,555.31 is: 13,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.16 : 17,110.60 = 9,555.31 : x
  2. Step 2: Convert to fraction form
    12,394.16/17,110.60 = 9,555.31/x
  3. Step 3: Cross multiply
    12,394.16x = 17,110.60 × 9,555.31
  4. Step 4: Simplify right side
    12,394.16x = 163,497,020.62
  5. Step 5: Solve for x
    x = 163,497,020.62/12,394.16
  6. Step 6: Final answer
    x = 13,191.46

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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.