Home / 11,405.16-17,095.98-4,383.24

Finding the Fourth Proportional to 11,405.16, 17,095.98 and 4,383.24

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Solution

The fourth proportional to 11,405.16, 17,095.98 and 4,383.24 is: 6,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.16 : 17,095.98 = 4,383.24 : x
  2. Step 2: Convert to fraction form
    11,405.16/17,095.98 = 4,383.24/x
  3. Step 3: Cross multiply
    11,405.16x = 17,095.98 × 4,383.24
  4. Step 4: Simplify right side
    11,405.16x = 74,935,783.38
  5. Step 5: Solve for x
    x = 74,935,783.38/11,405.16
  6. Step 6: Final answer
    x = 6,570.34

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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.