Home / 19,611.09-27,063.59-10,658.75

Finding the Fourth Proportional to 19,611.09, 27,063.59 and 10,658.75

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Solution

The fourth proportional to 19,611.09, 27,063.59 and 10,658.75 is: 14,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.09 : 27,063.59 = 10,658.75 : x
  2. Step 2: Convert to fraction form
    19,611.09/27,063.59 = 10,658.75/x
  3. Step 3: Cross multiply
    19,611.09x = 27,063.59 × 10,658.75
  4. Step 4: Simplify right side
    19,611.09x = 288,463,851.30
  5. Step 5: Solve for x
    x = 288,463,851.30/19,611.09
  6. Step 6: Final answer
    x = 14,709.22

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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.