Home / 12,558.43-18,832.81-4,236.22

Finding the Fourth Proportional to 12,558.43, 18,832.81 and 4,236.22

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Solution

The fourth proportional to 12,558.43, 18,832.81 and 4,236.22 is: 6,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.43 : 18,832.81 = 4,236.22 : x
  2. Step 2: Convert to fraction form
    12,558.43/18,832.81 = 4,236.22/x
  3. Step 3: Cross multiply
    12,558.43x = 18,832.81 × 4,236.22
  4. Step 4: Simplify right side
    12,558.43x = 79,779,926.38
  5. Step 5: Solve for x
    x = 79,779,926.38/12,558.43
  6. Step 6: Final answer
    x = 6,352.70

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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.