Home / 19,301.32-28,954.31-6,818.79

Finding the Fourth Proportional to 19,301.32, 28,954.31 and 6,818.79

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Solution

The fourth proportional to 19,301.32, 28,954.31 and 6,818.79 is: 10,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.32 : 28,954.31 = 6,818.79 : x
  2. Step 2: Convert to fraction form
    19,301.32/28,954.31 = 6,818.79/x
  3. Step 3: Cross multiply
    19,301.32x = 28,954.31 × 6,818.79
  4. Step 4: Simplify right side
    19,301.32x = 197,433,359.48
  5. Step 5: Solve for x
    x = 197,433,359.48/19,301.32
  6. Step 6: Final answer
    x = 10,229.01

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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.