Home / 13,558.59-20,339.91-6,162.89

Finding the Fourth Proportional to 13,558.59, 20,339.91 and 6,162.89

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Solution

The fourth proportional to 13,558.59, 20,339.91 and 6,162.89 is: 9,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.59 : 20,339.91 = 6,162.89 : x
  2. Step 2: Convert to fraction form
    13,558.59/20,339.91 = 6,162.89/x
  3. Step 3: Cross multiply
    13,558.59x = 20,339.91 × 6,162.89
  4. Step 4: Simplify right side
    13,558.59x = 125,352,526.24
  5. Step 5: Solve for x
    x = 125,352,526.24/13,558.59
  6. Step 6: Final answer
    x = 9,245.25

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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.