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Finding the Fourth Proportional to 13,798.29, 19,034.42 and 8,050.53

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Solution

The fourth proportional to 13,798.29, 19,034.42 and 8,050.53 is: 11,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.29 : 19,034.42 = 8,050.53 : x
  2. Step 2: Convert to fraction form
    13,798.29/19,034.42 = 8,050.53/x
  3. Step 3: Cross multiply
    13,798.29x = 19,034.42 × 8,050.53
  4. Step 4: Simplify right side
    13,798.29x = 153,237,128.99
  5. Step 5: Solve for x
    x = 153,237,128.99/13,798.29
  6. Step 6: Final answer
    x = 11,105.52

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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.