Home / 12,311.36-18,468.60-4,519.04

Finding the Fourth Proportional to 12,311.36, 18,468.60 and 4,519.04

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Solution

The fourth proportional to 12,311.36, 18,468.60 and 4,519.04 is: 6,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.36 : 18,468.60 = 4,519.04 : x
  2. Step 2: Convert to fraction form
    12,311.36/18,468.60 = 4,519.04/x
  3. Step 3: Cross multiply
    12,311.36x = 18,468.60 × 4,519.04
  4. Step 4: Simplify right side
    12,311.36x = 83,460,342.14
  5. Step 5: Solve for x
    x = 83,460,342.14/12,311.36
  6. Step 6: Final answer
    x = 6,779.13

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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.