Home / 11,759.40-16,236-9,531.09

Finding the Fourth Proportional to 11,759.40, 16,236 and 9,531.09

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Solution

The fourth proportional to 11,759.40, 16,236 and 9,531.09 is: 13,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.40 : 16,236 = 9,531.09 : x
  2. Step 2: Convert to fraction form
    11,759.40/16,236 = 9,531.09/x
  3. Step 3: Cross multiply
    11,759.40x = 16,236 × 9,531.09
  4. Step 4: Simplify right side
    11,759.40x = 154,746,777.24
  5. Step 5: Solve for x
    x = 154,746,777.24/11,759.40
  6. Step 6: Final answer
    x = 13,159.41

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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.