Home / 19,516.38-29,275.96-7,829.62

Finding the Fourth Proportional to 19,516.38, 29,275.96 and 7,829.62

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Solution

The fourth proportional to 19,516.38, 29,275.96 and 7,829.62 is: 11,744.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.38 : 29,275.96 = 7,829.62 : x
  2. Step 2: Convert to fraction form
    19,516.38/29,275.96 = 7,829.62/x
  3. Step 3: Cross multiply
    19,516.38x = 29,275.96 × 7,829.62
  4. Step 4: Simplify right side
    19,516.38x = 229,219,641.94
  5. Step 5: Solve for x
    x = 229,219,641.94/19,516.38
  6. Step 6: Final answer
    x = 11,744.99

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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.