Home / 14,118.40-19,474.58-9,089.20

Finding the Fourth Proportional to 14,118.40, 19,474.58 and 9,089.20

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Solution

The fourth proportional to 14,118.40, 19,474.58 and 9,089.20 is: 12,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.40 : 19,474.58 = 9,089.20 : x
  2. Step 2: Convert to fraction form
    14,118.40/19,474.58 = 9,089.20/x
  3. Step 3: Cross multiply
    14,118.40x = 19,474.58 × 9,089.20
  4. Step 4: Simplify right side
    14,118.40x = 177,008,352.54
  5. Step 5: Solve for x
    x = 177,008,352.54/14,118.40
  6. Step 6: Final answer
    x = 12,537.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.