Home / 12,255.53-18,386.03-4,464.34

Finding the Fourth Proportional to 12,255.53, 18,386.03 and 4,464.34

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Solution

The fourth proportional to 12,255.53, 18,386.03 and 4,464.34 is: 6,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.53 : 18,386.03 = 4,464.34 : x
  2. Step 2: Convert to fraction form
    12,255.53/18,386.03 = 4,464.34/x
  3. Step 3: Cross multiply
    12,255.53x = 18,386.03 × 4,464.34
  4. Step 4: Simplify right side
    12,255.53x = 82,081,489.17
  5. Step 5: Solve for x
    x = 82,081,489.17/12,255.53
  6. Step 6: Final answer
    x = 6,697.51

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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.