Home / 14,113.05-21,169.58-8,266.65

Finding the Fourth Proportional to 14,113.05, 21,169.58 and 8,266.65

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Solution

The fourth proportional to 14,113.05, 21,169.58 and 8,266.65 is: 12,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.05 : 21,169.58 = 8,266.65 : x
  2. Step 2: Convert to fraction form
    14,113.05/21,169.58 = 8,266.65/x
  3. Step 3: Cross multiply
    14,113.05x = 21,169.58 × 8,266.65
  4. Step 4: Simplify right side
    14,113.05x = 175,001,467.17
  5. Step 5: Solve for x
    x = 175,001,467.17/14,113.05
  6. Step 6: Final answer
    x = 12,399.98

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Half scale
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Double scale
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Similar ratio
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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.