Home / 10,946.72-15,103.70-6,696.24

Finding the Fourth Proportional to 10,946.72, 15,103.70 and 6,696.24

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Solution

The fourth proportional to 10,946.72, 15,103.70 and 6,696.24 is: 9,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.72 : 15,103.70 = 6,696.24 : x
  2. Step 2: Convert to fraction form
    10,946.72/15,103.70 = 6,696.24/x
  3. Step 3: Cross multiply
    10,946.72x = 15,103.70 × 6,696.24
  4. Step 4: Simplify right side
    10,946.72x = 101,137,891.09
  5. Step 5: Solve for x
    x = 101,137,891.09/10,946.72
  6. Step 6: Final answer
    x = 9,239.10

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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.