Home / 19,609.44-29,409.36-9,210.72

Finding the Fourth Proportional to 19,609.44, 29,409.36 and 9,210.72

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Solution

The fourth proportional to 19,609.44, 29,409.36 and 9,210.72 is: 13,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.44 : 29,409.36 = 9,210.72 : x
  2. Step 2: Convert to fraction form
    19,609.44/29,409.36 = 9,210.72/x
  3. Step 3: Cross multiply
    19,609.44x = 29,409.36 × 9,210.72
  4. Step 4: Simplify right side
    19,609.44x = 270,881,380.34
  5. Step 5: Solve for x
    x = 270,881,380.34/19,609.44
  6. Step 6: Final answer
    x = 13,813.83

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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.