Home / 11,582.52-17,378.64-5,005.32

Finding the Fourth Proportional to 11,582.52, 17,378.64 and 5,005.32

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Solution

The fourth proportional to 11,582.52, 17,378.64 and 5,005.32 is: 7,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.52 : 17,378.64 = 5,005.32 : x
  2. Step 2: Convert to fraction form
    11,582.52/17,378.64 = 5,005.32/x
  3. Step 3: Cross multiply
    11,582.52x = 17,378.64 × 5,005.32
  4. Step 4: Simplify right side
    11,582.52x = 86,985,654.36
  5. Step 5: Solve for x
    x = 86,985,654.36/11,582.52
  6. Step 6: Final answer
    x = 7,510.08

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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.