Home / 11,947.57-17,925-6,108.28

Finding the Fourth Proportional to 11,947.57, 17,925 and 6,108.28

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Solution

The fourth proportional to 11,947.57, 17,925 and 6,108.28 is: 9,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.57 : 17,925 = 6,108.28 : x
  2. Step 2: Convert to fraction form
    11,947.57/17,925 = 6,108.28/x
  3. Step 3: Cross multiply
    11,947.57x = 17,925 × 6,108.28
  4. Step 4: Simplify right side
    11,947.57x = 109,490,919
  5. Step 5: Solve for x
    x = 109,490,919/11,947.57
  6. Step 6: Final answer
    x = 9,164.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.