Home / 11,547.39-17,357.20-7,623.87

Finding the Fourth Proportional to 11,547.39, 17,357.20 and 7,623.87

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Solution

The fourth proportional to 11,547.39, 17,357.20 and 7,623.87 is: 11,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.39 : 17,357.20 = 7,623.87 : x
  2. Step 2: Convert to fraction form
    11,547.39/17,357.20 = 7,623.87/x
  3. Step 3: Cross multiply
    11,547.39x = 17,357.20 × 7,623.87
  4. Step 4: Simplify right side
    11,547.39x = 132,328,949.58
  5. Step 5: Solve for x
    x = 132,328,949.58/11,547.39
  6. Step 6: Final answer
    x = 11,459.64

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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.