Home / 11,530.30-15,913.32-6,495.49

Finding the Fourth Proportional to 11,530.30, 15,913.32 and 6,495.49

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Solution

The fourth proportional to 11,530.30, 15,913.32 and 6,495.49 is: 8,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.30 : 15,913.32 = 6,495.49 : x
  2. Step 2: Convert to fraction form
    11,530.30/15,913.32 = 6,495.49/x
  3. Step 3: Cross multiply
    11,530.30x = 15,913.32 × 6,495.49
  4. Step 4: Simplify right side
    11,530.30x = 103,364,810.93
  5. Step 5: Solve for x
    x = 103,364,810.93/11,530.30
  6. Step 6: Final answer
    x = 8,964.62

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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.