Home / 19,260.34-28,890.41-6,113.72

Finding the Fourth Proportional to 19,260.34, 28,890.41 and 6,113.72

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Solution

The fourth proportional to 19,260.34, 28,890.41 and 6,113.72 is: 9,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.34 : 28,890.41 = 6,113.72 : x
  2. Step 2: Convert to fraction form
    19,260.34/28,890.41 = 6,113.72/x
  3. Step 3: Cross multiply
    19,260.34x = 28,890.41 × 6,113.72
  4. Step 4: Simplify right side
    19,260.34x = 176,627,877.43
  5. Step 5: Solve for x
    x = 176,627,877.43/19,260.34
  6. Step 6: Final answer
    x = 9,170.55

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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.