Home / 9,618.30-14,427.45-7,431.30

Finding the Fourth Proportional to 9,618.30, 14,427.45 and 7,431.30

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Solution

The fourth proportional to 9,618.30, 14,427.45 and 7,431.30 is: 11,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.30 : 14,427.45 = 7,431.30 : x
  2. Step 2: Convert to fraction form
    9,618.30/14,427.45 = 7,431.30/x
  3. Step 3: Cross multiply
    9,618.30x = 14,427.45 × 7,431.30
  4. Step 4: Simplify right side
    9,618.30x = 107,214,709.19
  5. Step 5: Solve for x
    x = 107,214,709.19/9,618.30
  6. Step 6: Final answer
    x = 11,146.95

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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.