Home / 11,511.04-15,884.40-6,475.36

Finding the Fourth Proportional to 11,511.04, 15,884.40 and 6,475.36

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Solution

The fourth proportional to 11,511.04, 15,884.40 and 6,475.36 is: 8,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.04 : 15,884.40 = 6,475.36 : x
  2. Step 2: Convert to fraction form
    11,511.04/15,884.40 = 6,475.36/x
  3. Step 3: Cross multiply
    11,511.04x = 15,884.40 × 6,475.36
  4. Step 4: Simplify right side
    11,511.04x = 102,857,208.38
  5. Step 5: Solve for x
    x = 102,857,208.38/11,511.04
  6. Step 6: Final answer
    x = 8,935.53

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1.5x scale

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.