Home / 11,746.09-17,584.57-7,840.81

Finding the Fourth Proportional to 11,746.09, 17,584.57 and 7,840.81

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Solution

The fourth proportional to 11,746.09, 17,584.57 and 7,840.81 is: 11,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.09 : 17,584.57 = 7,840.81 : x
  2. Step 2: Convert to fraction form
    11,746.09/17,584.57 = 7,840.81/x
  3. Step 3: Cross multiply
    11,746.09x = 17,584.57 × 7,840.81
  4. Step 4: Simplify right side
    11,746.09x = 137,877,208.74
  5. Step 5: Solve for x
    x = 137,877,208.74/11,746.09
  6. Step 6: Final answer
    x = 11,738.14

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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.