Home / 19,299.38-28,945.01-5,445.14

Finding the Fourth Proportional to 19,299.38, 28,945.01 and 5,445.14

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Solution

The fourth proportional to 19,299.38, 28,945.01 and 5,445.14 is: 8,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.38 : 28,945.01 = 5,445.14 : x
  2. Step 2: Convert to fraction form
    19,299.38/28,945.01 = 5,445.14/x
  3. Step 3: Cross multiply
    19,299.38x = 28,945.01 × 5,445.14
  4. Step 4: Simplify right side
    19,299.38x = 157,609,663.45
  5. Step 5: Solve for x
    x = 157,609,663.45/19,299.38
  6. Step 6: Final answer
    x = 8,166.57

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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.