Home / 9,381.48-14,076-3,539.76

Finding the Fourth Proportional to 9,381.48, 14,076 and 3,539.76

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Solution

The fourth proportional to 9,381.48, 14,076 and 3,539.76 is: 5,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.48 : 14,076 = 3,539.76 : x
  2. Step 2: Convert to fraction form
    9,381.48/14,076 = 3,539.76/x
  3. Step 3: Cross multiply
    9,381.48x = 14,076 × 3,539.76
  4. Step 4: Simplify right side
    9,381.48x = 49,825,661.76
  5. Step 5: Solve for x
    x = 49,825,661.76/9,381.48
  6. Step 6: Final answer
    x = 5,311.07

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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.