Home / 11,134.31-15,367.88-6,941.75

Finding the Fourth Proportional to 11,134.31, 15,367.88 and 6,941.75

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Solution

The fourth proportional to 11,134.31, 15,367.88 and 6,941.75 is: 9,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.31 : 15,367.88 = 6,941.75 : x
  2. Step 2: Convert to fraction form
    11,134.31/15,367.88 = 6,941.75/x
  3. Step 3: Cross multiply
    11,134.31x = 15,367.88 × 6,941.75
  4. Step 4: Simplify right side
    11,134.31x = 106,679,946.28
  5. Step 5: Solve for x
    x = 106,679,946.28/11,134.31
  6. Step 6: Final answer
    x = 9,581.19

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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.