Home / 9,431.30-14,146.99-4,485.98

Finding the Fourth Proportional to 9,431.30, 14,146.99 and 4,485.98

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Solution

The fourth proportional to 9,431.30, 14,146.99 and 4,485.98 is: 6,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.30 : 14,146.99 = 4,485.98 : x
  2. Step 2: Convert to fraction form
    9,431.30/14,146.99 = 4,485.98/x
  3. Step 3: Cross multiply
    9,431.30x = 14,146.99 × 4,485.98
  4. Step 4: Simplify right side
    9,431.30x = 63,463,138.35
  5. Step 5: Solve for x
    x = 63,463,138.35/9,431.30
  6. Step 6: Final answer
    x = 6,728.99

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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.