Home / 11,430.96-17,151.90-5,195.40

Finding the Fourth Proportional to 11,430.96, 17,151.90 and 5,195.40

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Solution

The fourth proportional to 11,430.96, 17,151.90 and 5,195.40 is: 7,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.96 : 17,151.90 = 5,195.40 : x
  2. Step 2: Convert to fraction form
    11,430.96/17,151.90 = 5,195.40/x
  3. Step 3: Cross multiply
    11,430.96x = 17,151.90 × 5,195.40
  4. Step 4: Simplify right side
    11,430.96x = 89,110,981.26
  5. Step 5: Solve for x
    x = 89,110,981.26/11,430.96
  6. Step 6: Final answer
    x = 7,795.58

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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.