Home / 9,969.48-13,754.58-6,435.04

Finding the Fourth Proportional to 9,969.48, 13,754.58 and 6,435.04

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Solution

The fourth proportional to 9,969.48, 13,754.58 and 6,435.04 is: 8,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.48 : 13,754.58 = 6,435.04 : x
  2. Step 2: Convert to fraction form
    9,969.48/13,754.58 = 6,435.04/x
  3. Step 3: Cross multiply
    9,969.48x = 13,754.58 × 6,435.04
  4. Step 4: Simplify right side
    9,969.48x = 88,511,272.48
  5. Step 5: Solve for x
    x = 88,511,272.48/9,969.48
  6. Step 6: Final answer
    x = 8,878.22

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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.