Home / 9,826.10-13,559.75-5,349.75

Finding the Fourth Proportional to 9,826.10, 13,559.75 and 5,349.75

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Solution

The fourth proportional to 9,826.10, 13,559.75 and 5,349.75 is: 7,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.10 : 13,559.75 = 5,349.75 : x
  2. Step 2: Convert to fraction form
    9,826.10/13,559.75 = 5,349.75/x
  3. Step 3: Cross multiply
    9,826.10x = 13,559.75 × 5,349.75
  4. Step 4: Simplify right side
    9,826.10x = 72,541,272.56
  5. Step 5: Solve for x
    x = 72,541,272.56/9,826.10
  6. Step 6: Final answer
    x = 7,382.51

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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.