Home / 19,434.73-29,146.41-8,898.79

Finding the Fourth Proportional to 19,434.73, 29,146.41 and 8,898.79

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Solution

The fourth proportional to 19,434.73, 29,146.41 and 8,898.79 is: 13,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.73 : 29,146.41 = 8,898.79 : x
  2. Step 2: Convert to fraction form
    19,434.73/29,146.41 = 8,898.79/x
  3. Step 3: Cross multiply
    19,434.73x = 29,146.41 × 8,898.79
  4. Step 4: Simplify right side
    19,434.73x = 259,367,781.84
  5. Step 5: Solve for x
    x = 259,367,781.84/19,434.73
  6. Step 6: Final answer
    x = 13,345.58

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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.