Home / 9,428.61-14,133.18-3,186.57

Finding the Fourth Proportional to 9,428.61, 14,133.18 and 3,186.57

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Solution

The fourth proportional to 9,428.61, 14,133.18 and 3,186.57 is: 4,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.61 : 14,133.18 = 3,186.57 : x
  2. Step 2: Convert to fraction form
    9,428.61/14,133.18 = 3,186.57/x
  3. Step 3: Cross multiply
    9,428.61x = 14,133.18 × 3,186.57
  4. Step 4: Simplify right side
    9,428.61x = 45,036,367.39
  5. Step 5: Solve for x
    x = 45,036,367.39/9,428.61
  6. Step 6: Final answer
    x = 4,776.56

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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.