Home / 11,261.65-16,869.41-6,320.91

Finding the Fourth Proportional to 11,261.65, 16,869.41 and 6,320.91

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Solution

The fourth proportional to 11,261.65, 16,869.41 and 6,320.91 is: 9,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.65 : 16,869.41 = 6,320.91 : x
  2. Step 2: Convert to fraction form
    11,261.65/16,869.41 = 6,320.91/x
  3. Step 3: Cross multiply
    11,261.65x = 16,869.41 × 6,320.91
  4. Step 4: Simplify right side
    11,261.65x = 106,630,022.36
  5. Step 5: Solve for x
    x = 106,630,022.36/11,261.65
  6. Step 6: Final answer
    x = 9,468.42

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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.