Home / 9,390-14,085.18-3,549.36

Finding the Fourth Proportional to 9,390, 14,085.18 and 3,549.36

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Solution

The fourth proportional to 9,390, 14,085.18 and 3,549.36 is: 5,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390 : 14,085.18 = 3,549.36 : x
  2. Step 2: Convert to fraction form
    9,390/14,085.18 = 3,549.36/x
  3. Step 3: Cross multiply
    9,390x = 14,085.18 × 3,549.36
  4. Step 4: Simplify right side
    9,390x = 49,993,374.48
  5. Step 5: Solve for x
    x = 49,993,374.48/9,390
  6. Step 6: Final answer
    x = 5,324.11

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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.