Home / 12,636.23-17,437.05-7,257.56

Finding the Fourth Proportional to 12,636.23, 17,437.05 and 7,257.56

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Solution

The fourth proportional to 12,636.23, 17,437.05 and 7,257.56 is: 10,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.23 : 17,437.05 = 7,257.56 : x
  2. Step 2: Convert to fraction form
    12,636.23/17,437.05 = 7,257.56/x
  3. Step 3: Cross multiply
    12,636.23x = 17,437.05 × 7,257.56
  4. Step 4: Simplify right side
    12,636.23x = 126,550,349.41
  5. Step 5: Solve for x
    x = 126,550,349.41/12,636.23
  6. Step 6: Final answer
    x = 10,014.89

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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.