Home / 15,078.84-22,628.82-6,315.96

Finding the Fourth Proportional to 15,078.84, 22,628.82 and 6,315.96

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Solution

The fourth proportional to 15,078.84, 22,628.82 and 6,315.96 is: 9,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.84 : 22,628.82 = 6,315.96 : x
  2. Step 2: Convert to fraction form
    15,078.84/22,628.82 = 6,315.96/x
  3. Step 3: Cross multiply
    15,078.84x = 22,628.82 × 6,315.96
  4. Step 4: Simplify right side
    15,078.84x = 142,922,721.97
  5. Step 5: Solve for x
    x = 142,922,721.97/15,078.84
  6. Step 6: Final answer
    x = 9,478.36

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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.