Home / 19,705.32-29,559.24-13,764.24

Finding the Fourth Proportional to 19,705.32, 29,559.24 and 13,764.24

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Solution

The fourth proportional to 19,705.32, 29,559.24 and 13,764.24 is: 20,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.32 : 29,559.24 = 13,764.24 : x
  2. Step 2: Convert to fraction form
    19,705.32/29,559.24 = 13,764.24/x
  3. Step 3: Cross multiply
    19,705.32x = 29,559.24 × 13,764.24
  4. Step 4: Simplify right side
    19,705.32x = 406,860,473.58
  5. Step 5: Solve for x
    x = 406,860,473.58/19,705.32
  6. Step 6: Final answer
    x = 20,647.24

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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.