Home / 11,387.68-17,088.72-4,462

Finding the Fourth Proportional to 11,387.68, 17,088.72 and 4,462

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Solution

The fourth proportional to 11,387.68, 17,088.72 and 4,462 is: 6,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.68 : 17,088.72 = 4,462 : x
  2. Step 2: Convert to fraction form
    11,387.68/17,088.72 = 4,462/x
  3. Step 3: Cross multiply
    11,387.68x = 17,088.72 × 4,462
  4. Step 4: Simplify right side
    11,387.68x = 76,249,868.64
  5. Step 5: Solve for x
    x = 76,249,868.64/11,387.68
  6. Step 6: Final answer
    x = 6,695.82

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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.