Home / 12,753.44-19,137.72-6,909.92

Finding the Fourth Proportional to 12,753.44, 19,137.72 and 6,909.92

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Solution

The fourth proportional to 12,753.44, 19,137.72 and 6,909.92 is: 10,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.44 : 19,137.72 = 6,909.92 : x
  2. Step 2: Convert to fraction form
    12,753.44/19,137.72 = 6,909.92/x
  3. Step 3: Cross multiply
    12,753.44x = 19,137.72 × 6,909.92
  4. Step 4: Simplify right side
    12,753.44x = 132,240,114.18
  5. Step 5: Solve for x
    x = 132,240,114.18/12,753.44
  6. Step 6: Final answer
    x = 10,368.98

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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.