Home / 12,462.42-18,693.56-4,143.08

Finding the Fourth Proportional to 12,462.42, 18,693.56 and 4,143.08

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Solution

The fourth proportional to 12,462.42, 18,693.56 and 4,143.08 is: 6,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.42 : 18,693.56 = 4,143.08 : x
  2. Step 2: Convert to fraction form
    12,462.42/18,693.56 = 4,143.08/x
  3. Step 3: Cross multiply
    12,462.42x = 18,693.56 × 4,143.08
  4. Step 4: Simplify right side
    12,462.42x = 77,448,914.56
  5. Step 5: Solve for x
    x = 77,448,914.56/12,462.42
  6. Step 6: Final answer
    x = 6,214.60

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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.