Home / 19,979.96-29,973.16-7,500.94

Finding the Fourth Proportional to 19,979.96, 29,973.16 and 7,500.94

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Solution

The fourth proportional to 19,979.96, 29,973.16 and 7,500.94 is: 11,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.96 : 29,973.16 = 7,500.94 : x
  2. Step 2: Convert to fraction form
    19,979.96/29,973.16 = 7,500.94/x
  3. Step 3: Cross multiply
    19,979.96x = 29,973.16 × 7,500.94
  4. Step 4: Simplify right side
    19,979.96x = 224,826,874.77
  5. Step 5: Solve for x
    x = 224,826,874.77/19,979.96
  6. Step 6: Final answer
    x = 11,252.62

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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.