Home / 9,428.51-14,142.67-5,731.76

Finding the Fourth Proportional to 9,428.51, 14,142.67 and 5,731.76

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Solution

The fourth proportional to 9,428.51, 14,142.67 and 5,731.76 is: 8,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.51 : 14,142.67 = 5,731.76 : x
  2. Step 2: Convert to fraction form
    9,428.51/14,142.67 = 5,731.76/x
  3. Step 3: Cross multiply
    9,428.51x = 14,142.67 × 5,731.76
  4. Step 4: Simplify right side
    9,428.51x = 81,062,390.20
  5. Step 5: Solve for x
    x = 81,062,390.20/9,428.51
  6. Step 6: Final answer
    x = 8,597.58

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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.