Home / 12,182.04-18,273.02-4,781.32

Finding the Fourth Proportional to 12,182.04, 18,273.02 and 4,781.32

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Solution

The fourth proportional to 12,182.04, 18,273.02 and 4,781.32 is: 7,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.04 : 18,273.02 = 4,781.32 : x
  2. Step 2: Convert to fraction form
    12,182.04/18,273.02 = 4,781.32/x
  3. Step 3: Cross multiply
    12,182.04x = 18,273.02 × 4,781.32
  4. Step 4: Simplify right side
    12,182.04x = 87,369,064.62
  5. Step 5: Solve for x
    x = 87,369,064.62/12,182.04
  6. Step 6: Final answer
    x = 7,171.96

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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.