Home / 9,519.77-13,137.28-5,328.02

Finding the Fourth Proportional to 9,519.77, 13,137.28 and 5,328.02

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Solution

The fourth proportional to 9,519.77, 13,137.28 and 5,328.02 is: 7,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.77 : 13,137.28 = 5,328.02 : x
  2. Step 2: Convert to fraction form
    9,519.77/13,137.28 = 5,328.02/x
  3. Step 3: Cross multiply
    9,519.77x = 13,137.28 × 5,328.02
  4. Step 4: Simplify right side
    9,519.77x = 69,995,644.42
  5. Step 5: Solve for x
    x = 69,995,644.42/9,519.77
  6. Step 6: Final answer
    x = 7,352.66

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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.