Home / 11,369.08-15,689.36-6,589.95

Finding the Fourth Proportional to 11,369.08, 15,689.36 and 6,589.95

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Solution

The fourth proportional to 11,369.08, 15,689.36 and 6,589.95 is: 9,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.08 : 15,689.36 = 6,589.95 : x
  2. Step 2: Convert to fraction form
    11,369.08/15,689.36 = 6,589.95/x
  3. Step 3: Cross multiply
    11,369.08x = 15,689.36 × 6,589.95
  4. Step 4: Simplify right side
    11,369.08x = 103,392,019.49
  5. Step 5: Solve for x
    x = 103,392,019.49/11,369.08
  6. Step 6: Final answer
    x = 9,094.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.