Home / 19,355.14-29,042.70-8,258.84

Finding the Fourth Proportional to 19,355.14, 29,042.70 and 8,258.84

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Solution

The fourth proportional to 19,355.14, 29,042.70 and 8,258.84 is: 12,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.14 : 29,042.70 = 8,258.84 : x
  2. Step 2: Convert to fraction form
    19,355.14/29,042.70 = 8,258.84/x
  3. Step 3: Cross multiply
    19,355.14x = 29,042.70 × 8,258.84
  4. Step 4: Simplify right side
    19,355.14x = 239,859,012.47
  5. Step 5: Solve for x
    x = 239,859,012.47/19,355.14
  6. Step 6: Final answer
    x = 12,392.52

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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.