Home / 19,577.40-29,365.50-4,786.36

Finding the Fourth Proportional to 19,577.40, 29,365.50 and 4,786.36

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Solution

The fourth proportional to 19,577.40, 29,365.50 and 4,786.36 is: 7,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.40 : 29,365.50 = 4,786.36 : x
  2. Step 2: Convert to fraction form
    19,577.40/29,365.50 = 4,786.36/x
  3. Step 3: Cross multiply
    19,577.40x = 29,365.50 × 4,786.36
  4. Step 4: Simplify right side
    19,577.40x = 140,553,854.58
  5. Step 5: Solve for x
    x = 140,553,854.58/19,577.40
  6. Step 6: Final answer
    x = 7,179.39

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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.