Home / 13,339.86-20,004.75-4,572.42

Finding the Fourth Proportional to 13,339.86, 20,004.75 and 4,572.42

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Solution

The fourth proportional to 13,339.86, 20,004.75 and 4,572.42 is: 6,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.86 : 20,004.75 = 4,572.42 : x
  2. Step 2: Convert to fraction form
    13,339.86/20,004.75 = 4,572.42/x
  3. Step 3: Cross multiply
    13,339.86x = 20,004.75 × 4,572.42
  4. Step 4: Simplify right side
    13,339.86x = 91,470,119.00
  5. Step 5: Solve for x
    x = 91,470,119.00/13,339.86
  6. Step 6: Final answer
    x = 6,856.90

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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.