Home / 19,403.10-29,117.45-7,091.10

Finding the Fourth Proportional to 19,403.10, 29,117.45 and 7,091.10

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Solution

The fourth proportional to 19,403.10, 29,117.45 and 7,091.10 is: 10,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.10 : 29,117.45 = 7,091.10 : x
  2. Step 2: Convert to fraction form
    19,403.10/29,117.45 = 7,091.10/x
  3. Step 3: Cross multiply
    19,403.10x = 29,117.45 × 7,091.10
  4. Step 4: Simplify right side
    19,403.10x = 206,474,749.70
  5. Step 5: Solve for x
    x = 206,474,749.70/19,403.10
  6. Step 6: Final answer
    x = 10,641.33

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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.