Home / 10,716.20-16,075.36-3,695.29

Finding the Fourth Proportional to 10,716.20, 16,075.36 and 3,695.29

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Solution

The fourth proportional to 10,716.20, 16,075.36 and 3,695.29 is: 5,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.20 : 16,075.36 = 3,695.29 : x
  2. Step 2: Convert to fraction form
    10,716.20/16,075.36 = 3,695.29/x
  3. Step 3: Cross multiply
    10,716.20x = 16,075.36 × 3,695.29
  4. Step 4: Simplify right side
    10,716.20x = 59,403,117.05
  5. Step 5: Solve for x
    x = 59,403,117.05/10,716.20
  6. Step 6: Final answer
    x = 5,543.30

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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.