Home / 11,137.16-15,374.58-6,951.56

Finding the Fourth Proportional to 11,137.16, 15,374.58 and 6,951.56

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Solution

The fourth proportional to 11,137.16, 15,374.58 and 6,951.56 is: 9,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.16 : 15,374.58 = 6,951.56 : x
  2. Step 2: Convert to fraction form
    11,137.16/15,374.58 = 6,951.56/x
  3. Step 3: Cross multiply
    11,137.16x = 15,374.58 × 6,951.56
  4. Step 4: Simplify right side
    11,137.16x = 106,877,315.34
  5. Step 5: Solve for x
    x = 106,877,315.34/11,137.16
  6. Step 6: Final answer
    x = 9,596.46

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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.