Home / 14,538.87-20,071.26-9,783.82

Finding the Fourth Proportional to 14,538.87, 20,071.26 and 9,783.82

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Solution

The fourth proportional to 14,538.87, 20,071.26 and 9,783.82 is: 13,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.87 : 20,071.26 = 9,783.82 : x
  2. Step 2: Convert to fraction form
    14,538.87/20,071.26 = 9,783.82/x
  3. Step 3: Cross multiply
    14,538.87x = 20,071.26 × 9,783.82
  4. Step 4: Simplify right side
    14,538.87x = 196,373,576.70
  5. Step 5: Solve for x
    x = 196,373,576.70/14,538.87
  6. Step 6: Final answer
    x = 13,506.80

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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.