Home / 9,428.64-14,142.96-4,233.12

Finding the Fourth Proportional to 9,428.64, 14,142.96 and 4,233.12

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Solution

The fourth proportional to 9,428.64, 14,142.96 and 4,233.12 is: 6,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.64 : 14,142.96 = 4,233.12 : x
  2. Step 2: Convert to fraction form
    9,428.64/14,142.96 = 4,233.12/x
  3. Step 3: Cross multiply
    9,428.64x = 14,142.96 × 4,233.12
  4. Step 4: Simplify right side
    9,428.64x = 59,868,846.84
  5. Step 5: Solve for x
    x = 59,868,846.84/9,428.64
  6. Step 6: Final answer
    x = 6,349.68

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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.