Home / 9,186.76-13,780.62-3,031.24

Finding the Fourth Proportional to 9,186.76, 13,780.62 and 3,031.24

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Solution

The fourth proportional to 9,186.76, 13,780.62 and 3,031.24 is: 4,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.76 : 13,780.62 = 3,031.24 : x
  2. Step 2: Convert to fraction form
    9,186.76/13,780.62 = 3,031.24/x
  3. Step 3: Cross multiply
    9,186.76x = 13,780.62 × 3,031.24
  4. Step 4: Simplify right side
    9,186.76x = 41,772,366.57
  5. Step 5: Solve for x
    x = 41,772,366.57/9,186.76
  6. Step 6: Final answer
    x = 4,547.02

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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.