Home / 11,383.90-15,710.88-6,907.30

Finding the Fourth Proportional to 11,383.90, 15,710.88 and 6,907.30

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Solution

The fourth proportional to 11,383.90, 15,710.88 and 6,907.30 is: 9,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.90 : 15,710.88 = 6,907.30 : x
  2. Step 2: Convert to fraction form
    11,383.90/15,710.88 = 6,907.30/x
  3. Step 3: Cross multiply
    11,383.90x = 15,710.88 × 6,907.30
  4. Step 4: Simplify right side
    11,383.90x = 108,519,761.42
  5. Step 5: Solve for x
    x = 108,519,761.42/11,383.90
  6. Step 6: Final answer
    x = 9,532.74

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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.