Home / 12,246.32-18,377.65-4,455.13

Finding the Fourth Proportional to 12,246.32, 18,377.65 and 4,455.13

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Solution

The fourth proportional to 12,246.32, 18,377.65 and 4,455.13 is: 6,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.32 : 18,377.65 = 4,455.13 : x
  2. Step 2: Convert to fraction form
    12,246.32/18,377.65 = 4,455.13/x
  3. Step 3: Cross multiply
    12,246.32x = 18,377.65 × 4,455.13
  4. Step 4: Simplify right side
    12,246.32x = 81,874,813.93
  5. Step 5: Solve for x
    x = 81,874,813.93/12,246.32
  6. Step 6: Final answer
    x = 6,685.67

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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.