Home / 12,154.44-18,207.06-9,371.49

Finding the Fourth Proportional to 12,154.44, 18,207.06 and 9,371.49

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Solution

The fourth proportional to 12,154.44, 18,207.06 and 9,371.49 is: 14,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.44 : 18,207.06 = 9,371.49 : x
  2. Step 2: Convert to fraction form
    12,154.44/18,207.06 = 9,371.49/x
  3. Step 3: Cross multiply
    12,154.44x = 18,207.06 × 9,371.49
  4. Step 4: Simplify right side
    12,154.44x = 170,627,280.72
  5. Step 5: Solve for x
    x = 170,627,280.72/12,154.44
  6. Step 6: Final answer
    x = 14,038.27

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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.