Home / 19,165.70-28,749.36-6,686.97

Finding the Fourth Proportional to 19,165.70, 28,749.36 and 6,686.97

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Solution

The fourth proportional to 19,165.70, 28,749.36 and 6,686.97 is: 10,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.70 : 28,749.36 = 6,686.97 : x
  2. Step 2: Convert to fraction form
    19,165.70/28,749.36 = 6,686.97/x
  3. Step 3: Cross multiply
    19,165.70x = 28,749.36 × 6,686.97
  4. Step 4: Simplify right side
    19,165.70x = 192,246,107.84
  5. Step 5: Solve for x
    x = 192,246,107.84/19,165.70
  6. Step 6: Final answer
    x = 10,030.74

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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.