Home / 19,277.14-28,915.71-6,129.51

Finding the Fourth Proportional to 19,277.14, 28,915.71 and 6,129.51

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Solution

The fourth proportional to 19,277.14, 28,915.71 and 6,129.51 is: 9,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.14 : 28,915.71 = 6,129.51 : x
  2. Step 2: Convert to fraction form
    19,277.14/28,915.71 = 6,129.51/x
  3. Step 3: Cross multiply
    19,277.14x = 28,915.71 × 6,129.51
  4. Step 4: Simplify right side
    19,277.14x = 177,239,133.60
  5. Step 5: Solve for x
    x = 177,239,133.60/19,277.14
  6. Step 6: Final answer
    x = 9,194.27

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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.