Home / 19,256.92-28,889.70-6,109.72

Finding the Fourth Proportional to 19,256.92, 28,889.70 and 6,109.72

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Solution

The fourth proportional to 19,256.92, 28,889.70 and 6,109.72 is: 9,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.92 : 28,889.70 = 6,109.72 : x
  2. Step 2: Convert to fraction form
    19,256.92/28,889.70 = 6,109.72/x
  3. Step 3: Cross multiply
    19,256.92x = 28,889.70 × 6,109.72
  4. Step 4: Simplify right side
    19,256.92x = 176,507,977.88
  5. Step 5: Solve for x
    x = 176,507,977.88/19,256.92
  6. Step 6: Final answer
    x = 9,165.95

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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.