Home / 19,345.30-29,044.85-9,992.23

Finding the Fourth Proportional to 19,345.30, 29,044.85 and 9,992.23

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Solution

The fourth proportional to 19,345.30, 29,044.85 and 9,992.23 is: 15,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.30 : 29,044.85 = 9,992.23 : x
  2. Step 2: Convert to fraction form
    19,345.30/29,044.85 = 9,992.23/x
  3. Step 3: Cross multiply
    19,345.30x = 29,044.85 × 9,992.23
  4. Step 4: Simplify right side
    19,345.30x = 290,222,698.94
  5. Step 5: Solve for x
    x = 290,222,698.94/19,345.30
  6. Step 6: Final answer
    x = 15,002.23

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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.