Home / 14,558.76-20,091.29-8,269.92

Finding the Fourth Proportional to 14,558.76, 20,091.29 and 8,269.92

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Solution

The fourth proportional to 14,558.76, 20,091.29 and 8,269.92 is: 11,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.76 : 20,091.29 = 8,269.92 : x
  2. Step 2: Convert to fraction form
    14,558.76/20,091.29 = 8,269.92/x
  3. Step 3: Cross multiply
    14,558.76x = 20,091.29 × 8,269.92
  4. Step 4: Simplify right side
    14,558.76x = 166,153,319.65
  5. Step 5: Solve for x
    x = 166,153,319.65/14,558.76
  6. Step 6: Final answer
    x = 11,412.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.