Home / 12,171.06-18,248.75-4,776.27

Finding the Fourth Proportional to 12,171.06, 18,248.75 and 4,776.27

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Solution

The fourth proportional to 12,171.06, 18,248.75 and 4,776.27 is: 7,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.06 : 18,248.75 = 4,776.27 : x
  2. Step 2: Convert to fraction form
    12,171.06/18,248.75 = 4,776.27/x
  3. Step 3: Cross multiply
    12,171.06x = 18,248.75 × 4,776.27
  4. Step 4: Simplify right side
    12,171.06x = 87,160,957.16
  5. Step 5: Solve for x
    x = 87,160,957.16/12,171.06
  6. Step 6: Final answer
    x = 7,161.33

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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.