Home / 12,242.10-18,364.92-4,646.20

Finding the Fourth Proportional to 12,242.10, 18,364.92 and 4,646.20

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Solution

The fourth proportional to 12,242.10, 18,364.92 and 4,646.20 is: 6,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.10 : 18,364.92 = 4,646.20 : x
  2. Step 2: Convert to fraction form
    12,242.10/18,364.92 = 4,646.20/x
  3. Step 3: Cross multiply
    12,242.10x = 18,364.92 × 4,646.20
  4. Step 4: Simplify right side
    12,242.10x = 85,327,091.30
  5. Step 5: Solve for x
    x = 85,327,091.30/12,242.10
  6. Step 6: Final answer
    x = 6,969.97

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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.