Home / 12,393.09-18,590.49-4,997.62

Finding the Fourth Proportional to 12,393.09, 18,590.49 and 4,997.62

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Solution

The fourth proportional to 12,393.09, 18,590.49 and 4,997.62 is: 7,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.09 : 18,590.49 = 4,997.62 : x
  2. Step 2: Convert to fraction form
    12,393.09/18,590.49 = 4,997.62/x
  3. Step 3: Cross multiply
    12,393.09x = 18,590.49 × 4,997.62
  4. Step 4: Simplify right side
    12,393.09x = 92,908,158.16
  5. Step 5: Solve for x
    x = 92,908,158.16/12,393.09
  6. Step 6: Final answer
    x = 7,496.77

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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.