Home / 10,448.19-15,661.35-6,499.44

Finding the Fourth Proportional to 10,448.19, 15,661.35 and 6,499.44

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Solution

The fourth proportional to 10,448.19, 15,661.35 and 6,499.44 is: 9,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.19 : 15,661.35 = 6,499.44 : x
  2. Step 2: Convert to fraction form
    10,448.19/15,661.35 = 6,499.44/x
  3. Step 3: Cross multiply
    10,448.19x = 15,661.35 × 6,499.44
  4. Step 4: Simplify right side
    10,448.19x = 101,790,004.64
  5. Step 5: Solve for x
    x = 101,790,004.64/10,448.19
  6. Step 6: Final answer
    x = 9,742.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.