Home / 9,826.15-13,559.64-5,349.79

Finding the Fourth Proportional to 9,826.15, 13,559.64 and 5,349.79

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Solution

The fourth proportional to 9,826.15, 13,559.64 and 5,349.79 is: 7,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.15 : 13,559.64 = 5,349.79 : x
  2. Step 2: Convert to fraction form
    9,826.15/13,559.64 = 5,349.79/x
  3. Step 3: Cross multiply
    9,826.15x = 13,559.64 × 5,349.79
  4. Step 4: Simplify right side
    9,826.15x = 72,541,226.48
  5. Step 5: Solve for x
    x = 72,541,226.48/9,826.15
  6. Step 6: Final answer
    x = 7,382.47

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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.