Home / 12,316.12-17,010.39-8,973.88

Finding the Fourth Proportional to 12,316.12, 17,010.39 and 8,973.88

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Solution

The fourth proportional to 12,316.12, 17,010.39 and 8,973.88 is: 12,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.12 : 17,010.39 = 8,973.88 : x
  2. Step 2: Convert to fraction form
    12,316.12/17,010.39 = 8,973.88/x
  3. Step 3: Cross multiply
    12,316.12x = 17,010.39 × 8,973.88
  4. Step 4: Simplify right side
    12,316.12x = 152,649,198.61
  5. Step 5: Solve for x
    x = 152,649,198.61/12,316.12
  6. Step 6: Final answer
    x = 12,394.26

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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.