Home / 12,188.15-18,282.23-4,396.97

Finding the Fourth Proportional to 12,188.15, 18,282.23 and 4,396.97

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Solution

The fourth proportional to 12,188.15, 18,282.23 and 4,396.97 is: 6,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.15 : 18,282.23 = 4,396.97 : x
  2. Step 2: Convert to fraction form
    12,188.15/18,282.23 = 4,396.97/x
  3. Step 3: Cross multiply
    12,188.15x = 18,282.23 × 4,396.97
  4. Step 4: Simplify right side
    12,188.15x = 80,386,303.45
  5. Step 5: Solve for x
    x = 80,386,303.45/12,188.15
  6. Step 6: Final answer
    x = 6,595.45

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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.