Home / 12,496.20-18,742.59-4,176.05

Finding the Fourth Proportional to 12,496.20, 18,742.59 and 4,176.05

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Solution

The fourth proportional to 12,496.20, 18,742.59 and 4,176.05 is: 6,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.20 : 18,742.59 = 4,176.05 : x
  2. Step 2: Convert to fraction form
    12,496.20/18,742.59 = 4,176.05/x
  3. Step 3: Cross multiply
    12,496.20x = 18,742.59 × 4,176.05
  4. Step 4: Simplify right side
    12,496.20x = 78,269,899.26
  5. Step 5: Solve for x
    x = 78,269,899.26/12,496.20
  6. Step 6: Final answer
    x = 6,263.50

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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.