Home / 20,004.10-29,948.55-12,228.10

Finding the Fourth Proportional to 20,004.10, 29,948.55 and 12,228.10

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Solution

The fourth proportional to 20,004.10, 29,948.55 and 12,228.10 is: 18,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.10 : 29,948.55 = 12,228.10 : x
  2. Step 2: Convert to fraction form
    20,004.10/29,948.55 = 12,228.10/x
  3. Step 3: Cross multiply
    20,004.10x = 29,948.55 × 12,228.10
  4. Step 4: Simplify right side
    20,004.10x = 366,213,864.26
  5. Step 5: Solve for x
    x = 366,213,864.26/20,004.10
  6. Step 6: Final answer
    x = 18,306.94

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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.