Home / 19,605.50-29,352.36-13,018.58

Finding the Fourth Proportional to 19,605.50, 29,352.36 and 13,018.58

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Solution

The fourth proportional to 19,605.50, 29,352.36 and 13,018.58 is: 19,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.50 : 29,352.36 = 13,018.58 : x
  2. Step 2: Convert to fraction form
    19,605.50/29,352.36 = 13,018.58/x
  3. Step 3: Cross multiply
    19,605.50x = 29,352.36 × 13,018.58
  4. Step 4: Simplify right side
    19,605.50x = 382,126,046.85
  5. Step 5: Solve for x
    x = 382,126,046.85/19,605.50
  6. Step 6: Final answer
    x = 19,490.76

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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.