Home / 13,404.04-20,112.72-6,013.72

Finding the Fourth Proportional to 13,404.04, 20,112.72 and 6,013.72

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Solution

The fourth proportional to 13,404.04, 20,112.72 and 6,013.72 is: 9,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.04 : 20,112.72 = 6,013.72 : x
  2. Step 2: Convert to fraction form
    13,404.04/20,112.72 = 6,013.72/x
  3. Step 3: Cross multiply
    13,404.04x = 20,112.72 × 6,013.72
  4. Step 4: Simplify right side
    13,404.04x = 120,952,266.52
  5. Step 5: Solve for x
    x = 120,952,266.52/13,404.04
  6. Step 6: Final answer
    x = 9,023.57

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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.