Home / 14,743.80-20,346.84-8,029.72

Finding the Fourth Proportional to 14,743.80, 20,346.84 and 8,029.72

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Solution

The fourth proportional to 14,743.80, 20,346.84 and 8,029.72 is: 11,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.80 : 20,346.84 = 8,029.72 : x
  2. Step 2: Convert to fraction form
    14,743.80/20,346.84 = 8,029.72/x
  3. Step 3: Cross multiply
    14,743.80x = 20,346.84 × 8,029.72
  4. Step 4: Simplify right side
    14,743.80x = 163,379,428.08
  5. Step 5: Solve for x
    x = 163,379,428.08/14,743.80
  6. Step 6: Final answer
    x = 11,081.23

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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.