Home / 9,431.47-14,146.75-2,858.16

Finding the Fourth Proportional to 9,431.47, 14,146.75 and 2,858.16

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Solution

The fourth proportional to 9,431.47, 14,146.75 and 2,858.16 is: 4,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.47 : 14,146.75 = 2,858.16 : x
  2. Step 2: Convert to fraction form
    9,431.47/14,146.75 = 2,858.16/x
  3. Step 3: Cross multiply
    9,431.47x = 14,146.75 × 2,858.16
  4. Step 4: Simplify right side
    9,431.47x = 40,433,674.98
  5. Step 5: Solve for x
    x = 40,433,674.98/9,431.47
  6. Step 6: Final answer
    x = 4,287.10

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Half 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.