Home / 11,653.20-16,082.80-6,937.44

Finding the Fourth Proportional to 11,653.20, 16,082.80 and 6,937.44

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Solution

The fourth proportional to 11,653.20, 16,082.80 and 6,937.44 is: 9,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.20 : 16,082.80 = 6,937.44 : x
  2. Step 2: Convert to fraction form
    11,653.20/16,082.80 = 6,937.44/x
  3. Step 3: Cross multiply
    11,653.20x = 16,082.80 × 6,937.44
  4. Step 4: Simplify right side
    11,653.20x = 111,573,460.03
  5. Step 5: Solve for x
    x = 111,573,460.03/11,653.20
  6. Step 6: Final answer
    x = 9,574.49

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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.