Home / 17,381.12-26,075.76-5,694.32

Finding the Fourth Proportional to 17,381.12, 26,075.76 and 5,694.32

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Solution

The fourth proportional to 17,381.12, 26,075.76 and 5,694.32 is: 8,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.12 : 26,075.76 = 5,694.32 : x
  2. Step 2: Convert to fraction form
    17,381.12/26,075.76 = 5,694.32/x
  3. Step 3: Cross multiply
    17,381.12x = 26,075.76 × 5,694.32
  4. Step 4: Simplify right side
    17,381.12x = 148,483,721.68
  5. Step 5: Solve for x
    x = 148,483,721.68/17,381.12
  6. Step 6: Final answer
    x = 8,542.82

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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.