Home / 12,308.16-18,451.24-4,515.16

Finding the Fourth Proportional to 12,308.16, 18,451.24 and 4,515.16

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Solution

The fourth proportional to 12,308.16, 18,451.24 and 4,515.16 is: 6,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.16 : 18,451.24 = 4,515.16 : x
  2. Step 2: Convert to fraction form
    12,308.16/18,451.24 = 4,515.16/x
  3. Step 3: Cross multiply
    12,308.16x = 18,451.24 × 4,515.16
  4. Step 4: Simplify right side
    12,308.16x = 83,310,300.80
  5. Step 5: Solve for x
    x = 83,310,300.80/12,308.16
  6. Step 6: Final answer
    x = 6,768.70

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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.