Home / 17,153.19-25,726.68-5,142.87

Finding the Fourth Proportional to 17,153.19, 25,726.68 and 5,142.87

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Solution

The fourth proportional to 17,153.19, 25,726.68 and 5,142.87 is: 7,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.19 : 25,726.68 = 5,142.87 : x
  2. Step 2: Convert to fraction form
    17,153.19/25,726.68 = 5,142.87/x
  3. Step 3: Cross multiply
    17,153.19x = 25,726.68 × 5,142.87
  4. Step 4: Simplify right side
    17,153.19x = 132,308,970.77
  5. Step 5: Solve for x
    x = 132,308,970.77/17,153.19
  6. Step 6: Final answer
    x = 7,713.37

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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.