Home / 13,277.98-19,899.96-6,689.44

Finding the Fourth Proportional to 13,277.98, 19,899.96 and 6,689.44

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Solution

The fourth proportional to 13,277.98, 19,899.96 and 6,689.44 is: 10,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.98 : 19,899.96 = 6,689.44 : x
  2. Step 2: Convert to fraction form
    13,277.98/19,899.96 = 6,689.44/x
  3. Step 3: Cross multiply
    13,277.98x = 19,899.96 × 6,689.44
  4. Step 4: Simplify right side
    13,277.98x = 133,119,588.42
  5. Step 5: Solve for x
    x = 133,119,588.42/13,277.98
  6. Step 6: Final answer
    x = 10,025.59

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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.