Home / 19,383.60-29,089.84-7,539.24

Finding the Fourth Proportional to 19,383.60, 29,089.84 and 7,539.24

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Solution

The fourth proportional to 19,383.60, 29,089.84 and 7,539.24 is: 11,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.60 : 29,089.84 = 7,539.24 : x
  2. Step 2: Convert to fraction form
    19,383.60/29,089.84 = 7,539.24/x
  3. Step 3: Cross multiply
    19,383.60x = 29,089.84 × 7,539.24
  4. Step 4: Simplify right side
    19,383.60x = 219,315,285.32
  5. Step 5: Solve for x
    x = 219,315,285.32/19,383.60
  6. Step 6: Final answer
    x = 11,314.48

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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.