Home / 9,942.30-13,705.99-6,579.48

Finding the Fourth Proportional to 9,942.30, 13,705.99 and 6,579.48

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Solution

The fourth proportional to 9,942.30, 13,705.99 and 6,579.48 is: 9,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.30 : 13,705.99 = 6,579.48 : x
  2. Step 2: Convert to fraction form
    9,942.30/13,705.99 = 6,579.48/x
  3. Step 3: Cross multiply
    9,942.30x = 13,705.99 × 6,579.48
  4. Step 4: Simplify right side
    9,942.30x = 90,178,287.09
  5. Step 5: Solve for x
    x = 90,178,287.09/9,942.30
  6. Step 6: Final answer
    x = 9,070.16

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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.