Home / 9,898.32-13,655.28-5,917.44

Finding the Fourth Proportional to 9,898.32, 13,655.28 and 5,917.44

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Solution

The fourth proportional to 9,898.32, 13,655.28 and 5,917.44 is: 8,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.32 : 13,655.28 = 5,917.44 : x
  2. Step 2: Convert to fraction form
    9,898.32/13,655.28 = 5,917.44/x
  3. Step 3: Cross multiply
    9,898.32x = 13,655.28 × 5,917.44
  4. Step 4: Simplify right side
    9,898.32x = 80,804,300.08
  5. Step 5: Solve for x
    x = 80,804,300.08/9,898.32
  6. Step 6: Final answer
    x = 8,163.44

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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.