Home / 12,645.12-18,970.12-4,853.33

Finding the Fourth Proportional to 12,645.12, 18,970.12 and 4,853.33

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Solution

The fourth proportional to 12,645.12, 18,970.12 and 4,853.33 is: 7,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.12 : 18,970.12 = 4,853.33 : x
  2. Step 2: Convert to fraction form
    12,645.12/18,970.12 = 4,853.33/x
  3. Step 3: Cross multiply
    12,645.12x = 18,970.12 × 4,853.33
  4. Step 4: Simplify right side
    12,645.12x = 92,068,157.65
  5. Step 5: Solve for x
    x = 92,068,157.65/12,645.12
  6. Step 6: Final answer
    x = 7,280.92

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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.