Home / 12,257.22-18,362.70-7,244.63

Finding the Fourth Proportional to 12,257.22, 18,362.70 and 7,244.63

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Solution

The fourth proportional to 12,257.22, 18,362.70 and 7,244.63 is: 10,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.22 : 18,362.70 = 7,244.63 : x
  2. Step 2: Convert to fraction form
    12,257.22/18,362.70 = 7,244.63/x
  3. Step 3: Cross multiply
    12,257.22x = 18,362.70 × 7,244.63
  4. Step 4: Simplify right side
    12,257.22x = 133,030,875.49
  5. Step 5: Solve for x
    x = 133,030,875.49/12,257.22
  6. Step 6: Final answer
    x = 10,853.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.