Home / 14,631.04-20,185.76-8,338.88

Finding the Fourth Proportional to 14,631.04, 20,185.76 and 8,338.88

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Solution

The fourth proportional to 14,631.04, 20,185.76 and 8,338.88 is: 11,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.04 : 20,185.76 = 8,338.88 : x
  2. Step 2: Convert to fraction form
    14,631.04/20,185.76 = 8,338.88/x
  3. Step 3: Cross multiply
    14,631.04x = 20,185.76 × 8,338.88
  4. Step 4: Simplify right side
    14,631.04x = 168,326,630.35
  5. Step 5: Solve for x
    x = 168,326,630.35/14,631.04
  6. Step 6: Final answer
    x = 11,504.76

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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.