Home / 10,975.17-15,153.88-6,732.09

Finding the Fourth Proportional to 10,975.17, 15,153.88 and 6,732.09

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Solution

The fourth proportional to 10,975.17, 15,153.88 and 6,732.09 is: 9,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.17 : 15,153.88 = 6,732.09 : x
  2. Step 2: Convert to fraction form
    10,975.17/15,153.88 = 6,732.09/x
  3. Step 3: Cross multiply
    10,975.17x = 15,153.88 × 6,732.09
  4. Step 4: Simplify right side
    10,975.17x = 102,017,284.01
  5. Step 5: Solve for x
    x = 102,017,284.01/10,975.17
  6. Step 6: Final answer
    x = 9,295.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.