Home / 19,688.66-29,535.96-6,357.20

Finding the Fourth Proportional to 19,688.66, 29,535.96 and 6,357.20

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Solution

The fourth proportional to 19,688.66, 29,535.96 and 6,357.20 is: 9,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.66 : 29,535.96 = 6,357.20 : x
  2. Step 2: Convert to fraction form
    19,688.66/29,535.96 = 6,357.20/x
  3. Step 3: Cross multiply
    19,688.66x = 29,535.96 × 6,357.20
  4. Step 4: Simplify right side
    19,688.66x = 187,766,004.91
  5. Step 5: Solve for x
    x = 187,766,004.91/19,688.66
  6. Step 6: Final answer
    x = 9,536.76

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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.