Home / 9,431.56-14,146.93-2,857.47

Finding the Fourth Proportional to 9,431.56, 14,146.93 and 2,857.47

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Solution

The fourth proportional to 9,431.56, 14,146.93 and 2,857.47 is: 4,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.56 : 14,146.93 = 2,857.47 : x
  2. Step 2: Convert to fraction form
    9,431.56/14,146.93 = 2,857.47/x
  3. Step 3: Cross multiply
    9,431.56x = 14,146.93 × 2,857.47
  4. Step 4: Simplify right side
    9,431.56x = 40,424,428.07
  5. Step 5: Solve for x
    x = 40,424,428.07/9,431.56
  6. Step 6: Final answer
    x = 4,286.08

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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.