Home / 9,826.87-13,561.37-5,577.85

Finding the Fourth Proportional to 9,826.87, 13,561.37 and 5,577.85

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Solution

The fourth proportional to 9,826.87, 13,561.37 and 5,577.85 is: 7,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.87 : 13,561.37 = 5,577.85 : x
  2. Step 2: Convert to fraction form
    9,826.87/13,561.37 = 5,577.85/x
  3. Step 3: Cross multiply
    9,826.87x = 13,561.37 × 5,577.85
  4. Step 4: Simplify right side
    9,826.87x = 75,643,219.85
  5. Step 5: Solve for x
    x = 75,643,219.85/9,826.87
  6. Step 6: Final answer
    x = 7,697.59

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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.