Home / 19,345.80-29,045.60-9,992.73

Finding the Fourth Proportional to 19,345.80, 29,045.60 and 9,992.73

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Solution

The fourth proportional to 19,345.80, 29,045.60 and 9,992.73 is: 15,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.80 : 29,045.60 = 9,992.73 : x
  2. Step 2: Convert to fraction form
    19,345.80/29,045.60 = 9,992.73/x
  3. Step 3: Cross multiply
    19,345.80x = 29,045.60 × 9,992.73
  4. Step 4: Simplify right side
    19,345.80x = 290,244,788.52
  5. Step 5: Solve for x
    x = 290,244,788.52/19,345.80
  6. Step 6: Final answer
    x = 15,002.99

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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.