Home / 13,179.70-19,756.41-6,585.76

Finding the Fourth Proportional to 13,179.70, 19,756.41 and 6,585.76

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Solution

The fourth proportional to 13,179.70, 19,756.41 and 6,585.76 is: 9,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.70 : 19,756.41 = 6,585.76 : x
  2. Step 2: Convert to fraction form
    13,179.70/19,756.41 = 6,585.76/x
  3. Step 3: Cross multiply
    13,179.70x = 19,756.41 × 6,585.76
  4. Step 4: Simplify right side
    13,179.70x = 130,110,974.72
  5. Step 5: Solve for x
    x = 130,110,974.72/13,179.70
  6. Step 6: Final answer
    x = 9,872.07

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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.